R.V.R. Elettronica PTX30LCD/S FM TRANSMITTER User Manual

 PTX30LCD PTX50LCD
PTX60LCD PTX100LCD
& PTX150LCD
USER MANUAL
VOLUME1
Manufactured by R.V.R ELETTRONICA S.p.A. Italy
File Name:
PTX-LCD_ITA_4.0.indb
Version:
4.0
Date:
05/02/2016
Revision History
Date
Version
05/02/2016 4.0
Reason
First Version
Editor
J. H. Berti
PTX-LCD - User Manual
Version 4.0
© Copyright 2016
R.V.R. Elettronica SpA
Via del Fonditore 2/2c - 40138 - Bologna (Italia)
Telephone: +39 051 6010506
Fax: +39 051 6011104
Email:
[email protected]
Web:
www.rvr.it
All rights reserved
Printed and bound in Italy. No part of this manual may be reproduced,
memorized or transmitted in any form or by any means, electronic
or mechanic, including photocopying, recording or by any information storage and retrieval system, without written permission of the
copyright owner.
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ELETTRONICA
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
DECLARATION OF
CONFORMITY
We, the undersigned,
Manufacturer’s Name:
R.V.R. Elettronica SpA
Manufacturer’s Address:
Via del Fonditore 2/2c
Zona Ind. Roveri
40138 Bologna
Italy
Certify and declare under our sole responsibility that the product:
Product Description:
FM Solid State Transmitter for Broadcast service
Notified Code:
AFM-PTL1
Model:
PTX30LCD
Variants:
PTX30LCD/S, PTX30LCDDSP
Frequency Range:
87.5 ÷ 108.0 MHz
RF Power Output:
10 ÷ 30 W
when used for its intended purpose, is in compliance with the essential requirements and
other relevant provisions of Directive 1999/5/CE “R&TTE”, and therefore carries the “CE” mark.
The conformity assessment procedure referred in Article 10 and detailed in Annex III of Directive
1999/5/EC has been followed.
The following harmonized standard have been applied:
Use of Radio Spectrum (3.2):
EN 302018-2 V. 1.1.1
ElectroMagnetic Compatibility (3.1b):
EN 301489-11 V. 1.2.1
Safety (3.1a):
EN 60215:1989 + A1:1992 + A2:1994 /
CEI EN 60215:1997-10
The technical documentation is held at the location above, as required by the conformity assessment
procedure.
Bologna, Italy, 14/06/2005
Ravagnani Stefano
Technical Manager
R.V.R. Elettronica S.p.A.
DENPTL1 - Rev. 1.1 - 14/06/2005
User Manual
Rev. 4.0 - 05/02/16
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
DECLARATION OF
CONFORMITY
We, the undersigned,
Manufacturer’s Name:
R.V.R. Elettronica SpA
Manufacturer’s Address:
Via del Fonditore 2/2c
Zona Ind. Roveri
40138 Bologna
Italy
Certify and declare under our sole responsibility that the product:
Product Description:
FM Solid State Transmitter for Broadcast service
Notified Code:
AFM-PTL2
Models:
PTX100LCD(1), PTX50LCD(2), PTX60LCD(3)
Variants:
PTX100LCD/S(1), PTX100LCDDSP(1), PTX50LCD/S(2),
PTX50LCDDSP(2), PTX60LCD/S(3), PTX60LCDDSP(3)
Frequency Range:
87.5 ÷ 108.0 MHz
RF Power Output:
(1)
(2)
(3)
10 ÷ 100 W
10 ÷ 50 W
10 ÷ 60 W
when used for its intended purpose, is in compliance with the essential requirements and
other relevant provisions of Directive 1999/5/CE “R&TTE”, and therefore carries the “CE” mark.
The conformity assessment procedure referred in Article 10 and detailed in Annex III of Directive
1999/5/EC has been followed.
The following harmonized standard have been applied:
Use of Radio Spectrum (3.2):
EN 302018-2 V. 1.1.1
ElectroMagnetic Compatibility (3.1b):
EN 301489-11 V. 1.2.1
Safety (3.1a):
EN 60215:1989 + A1:1992 + A2:1994 /
CEI EN 60215:1997-10
The technical documentation is held at the location above, as required by the conformity assessment
procedure.
Bologna, Italy, 14/06/2005
Ravagnani Stefano
Technical Manager
R.V.R. Elettronica S.p.A.
DENPTL2 - Rev. 1.1 - 14/06/2005
ii
Rev. 4.0 - 05/02/16
User Manual
ELETTRONICA
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
DECLARATION OF
CONFORMITY
We, the undersigned,
Manufacturer’s Name:
R.V.R. Elettronica SpA
Manufacturer’s Address:
Via del Fonditore 2/2c
Zona Ind. Roveri
40138 Bologna
Italy
Certify and declare under our sole responsibility that the product:
Product Description:
FM Solid State Transmitter for Broadcast service
Notified Code:
AFM-PTL3
Models:
PTX150LCD
Variants:
PTX150LCD/S, PTX150LCDDSP
Frequency Range:
87.5 ÷ 108.0 MHz
RF Power Output:
10 ÷ 150 W
when used for its intended purpose, is in compliance with the essential requirements and
other relevant provisions of Directive 1999/5/CE “R&TTE”, and therefore carries the “CE” mark.
The conformity assessment procedure referred in Article 10 and detailed in Annex III of Directive
1999/5/EC has been followed.
The following harmonized standard have been applied:
Use of Radio Spectrum (3.2):
EN 302 018-1 V1.2.1 (2006-03) +
EN 302 018-2 V1.2.1 (2006-03)
Compatibilità Elettro Magnetica (3.1b):
EN 301 489-1 V1.9.2 (2011-09) +
EN 301 489-11 V1.3.1 (2006-05)
Sicurezza (3.1a):
EN 60215 (1997-10) +
EN 60065 (2011-01)
The technical documentation is held at the location above, as required by the conformity assessment
procedure.
Bologna, Italy, 11/07/2013
Ravagnani Stefano
Technical Manager
R.V.R. Elettronica S.p.A.
DENPTL3 - Rev. 1.0 - 11/07/2013
User Manual
Rev. 4.0 - 05/02/16
iii
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Technical Description
PTX30LCD
PTX50LCD
PTX60LCD
ppm
kHz
μS
dBc
87.5 ÷ 108
30
Direct carrier frequency
Mono, Stereo, Multiplex
-10 to + 50
From software, with 10 kHz steps
±1
150 Stereo, 200 Mono/MPX
0, 25, 50 (CCIR), 75 (FCC)
<75 (80 typical)
87.5 ÷ 108
50
Direct carrier frequency
Mono, Stereo, Multiplex
-10 to + 50
From software, with 10 kHz steps
±1
150 Stereo, 200 Mono/MPX
0, 25, 50 (CCIR), 75 (FCC)
<75 (80 typical)
87.5 ÷ 108
60
Direct carrier frequency
Mono, Stereo, Multiplex
-10 to + 50
From software, with 10 kHz steps
±1
150 Stereo, 200 Mono/MPX
0, 25, 50 (CCIR), 75 (FCC)
<75 (80 typical)
dB
≥ 70
≥ 70
≥ 70
dB
≥ 50
≥ 50
≥ 50
dB
> 85 (typical 87)
> 83 (typical 85)
> 83 (typical 85)
dB
>75
>73
>73
dB
>70
>69
>69
dB
%
better than ± 0.5 dB (typical ± 0.2)
< 0.05 (Tipical 0.03%)
better than ± 0.5 dB (typical ± 0.2)
< 0.05 (Tipical 0.03%)
better than ± 0.5 dB (typical ± 0.2)
< 0.05 (Tipical 0.03%)
Parameters
U.M.
Frequency range
Rated output power
Modulation type
Operational Mode
Ambient working temperature
Frequency programmability
Frequency stability
Modulation capability
Pre-emphasis mode
Spurious & harmonic suppression
MHz
W
GENERALS
Asynchronous AM S/N ratio
Synchronous AM S/N ratio
°C
WT from -10°C to 50°C
Referred to 100% AM,
with no de-emphasis
Referred to 100% AM,
FM deviation 75 kHz by 400Hz sine,
without de-emphasis
Notes
Continuously variable by software from 0 to maximum
Without condensing
Meets or exceeds all FCC and CCIR rules
Selectable by software
Meets or exceeds all FCC and CCIR rules
MONO OPERATION
S/N FM Ratio
Frequency Response
Total Harmonic Distortion
Intermodulation Distortion
Transient intermodulation distortion
RMS @ ± 75 kHz peak,
HPF 20Hz - LPF 23 kHz,
50 μS de-emphasis
Qpk @ ± 75 kHz peak,
CCIR weighted,
50 μS de-emphasis
Qpk @ ± 40 kHz peak,
CCIR weighted,
50 μS de-emphasis
30Hz ÷ 15kHz
THD+N 30Hz ÷ 15kHz
Measured with a 1 KHz,
1.3 KHz tones,
1:1ratio, @ 75 kHz FM
3.18 kHz square wave,
15 kHz sine wave
@75 kHz FM
%
< 0.02
< 0.02
< 0.02
%
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
dB
> 85 (typical 87)
> 83 (typical 85)
> 83 (typical 85)
dB
dB
%
%
± 0.2
± 0.5
< 0.05
< 0.1
± 0.2
± 0.5
< 0.05
< 0.1
± 0.2
± 0.5
< 0.05
< 0.1
MPX OPERATION
Composite S/N FM Ratio
Frequency Response
Total Harmonic Distortion
Intermodulation distortion
Transient intermodulation distortion
Stereo separation
STEREO OPERATION
Stereo S/N FM Ratio
Frequency Response
Total Harmonic Distortion
Intermodulation distortion
Transient intermodulation distortion
Stereo separation
Main / Sub Ratio
SCA OPERATION
Frequency response
Crosstalk to main or to stereo channel
RMS @ ± 75 kHz peak,
HPF 20Hz - no LPF,
50 μS de-emphasis
30Hz ÷ 53kHz
53kHz ÷ 100kHz
THD+N 30Hz ÷ 53kHz
THD+N 53kHz ÷ 100kHz
Measured with a 1 KHz,
1.3 KHz tones,
1:1ratio, @ 75 kHz FM
3.18 kHz square wave,
15 kHz sine wave
@75 kHz FM
30Hz ÷ 53kHz
RMS @ ± 75 kHz peak,
HPF 20Hz - LPF 23 kHz,
50 μS de-emphasis,
L & R demodulated
Qpk @ ± 75 kHz peak,
CCIR weighted,
50 μS de-emphasis,
L & R demodulated
Qpk @ ± 40 kHz peak,
CCIR weighted,
50 μS de-emphasis,
L & R demodulated
30Hz ÷ 15kHz
THD+N 30Hz ÷ 15kHz
Measured with a 1 KHz,
1.3 KHz tones,
1:1ratio, @ 75 kHz FM
3.18 kHz square wave,
15 kHz sine wave
@75 kHz FM
%
< 0.05
< 0.05
< 0.05
%
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
dB
> 50 dB (typical 60)
> 50 dB (typical 60)
> 50 dB (typical 60)
dB
> 80 (Typical 82)
> 80 (Typical 82)
> 80 (Typical 82)
dB
> 68 dB
> 69 dB
> 69 dB
dB
> 67 dB
> 67 dB
> 67 dB
dB
%
± 0.5
< 0.05
± 0.5
< 0.05
± 0.5
< 0.05
%
≤ 0.03
≤ 0.03
≤ 0.03
%
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
> 50 (typical 60)
> 40 (typical 45)
dB
dB
> 50 (typical 60)
> 40 (typical 45)
> 50 (typical 60)
> 40 (typical 45)
40kHz ÷ 100kHz
RMS, ref @ ± 75 kHz peak,
no HPF/LPF,
0μS de-emphasis,
with 67 kHz tone on SCA input
@ 7,5kHz FM deviation
RMS, ref @ ± 75 kHz peak,
no HPF/LPF,
0μS de-emphasis,
with 92 kHz tone on SCA input
@ 7,5kHz FM deviation
dB
± 0.5
± 0.5
± 0.5
dB
> 75 (typical 79 )
> 75 (typical 79 )
> 75 (typical 79 )
dB
> 80 (typical 81 )
> 80 (typical 81 )
> 80 (typical 81 )
AC Supply Voltage
AC Apparent Power Consumption
Active Power Consumption
Power Factor
Overall Efficiency
Connector
DC Supply Voltage
DC Current
VAC
VA
W
VDC
ADC
115 - 125 - 230 - 250
135
95
0,7
31
IEC Standard
24
3,5
115 - 125 - 230 - 250
220
150
0,68
33
IEC Standard
24
5
115 - 125 - 230 - 250
220
150
0,68
40
IEC Standard
24
6
Front panel width
Front panel height
Overall depth
Chassis depth
mm
mm
mm
mm
kg
483 (19")
88 (3 1/2") 2HE
400
389
About 10
483 (19")
88 (3 1/2") 2HE
400
389
About 13
483 (19")
88 (3 1/2") 2HE
400
389
About 15
dBA
Forced, with internal fan
< 56
Forced, with internal fan
< 56
Forced, with internal fan
< 56
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
BNC
unbalanced
10 k or 50
-13 to +14
±0,5
-12
3 x BNC
unbalanced
10 k
-3 to +15
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
BNC
unbalanced
10 k or 50
-13 to +14
±0,5
-12
3 x BNC
unbalanced
10 k
-3 to +15
30Hz ÷ 15kHz
POWER REQUIREMENTS
AC Power Input
DC Power Input (option)
%
max 60W RF out (PTX100LCD e PTX150LCD)
MECHANICAL DIMENSIONS
Phisical Dimensions
Weigh
19" EIA rack
VARIOUS
Cooling
Acoustic Noise
AUDIO INPUTS
Left / Mono
Right / MPX balanced
MPX unbalanced
SCA/RDS
AES/EBU (option)
TOS/Link (option)
S/P DIF (option)
Connector
Type
Impedance
Input Level, Adjustment Range
externally fine adjustable
Internal jumper
Connector
Type
Impedance
Input Level, Adjustment Range
externally fine adjustable
Internal jumper
Connector
Type
Impedance
Input Level, Adjustment Range
externally fine adjustable
Internal jumper
Connector
Type
Impedance
Input Level, Adjustment Range
Ohm
dBu
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
BNC
unbalanced
10 k or 50
-13 to +14
±0,5
-12
3 x BNC
unbalanced
10 k
-3 to +15
2 Internal jumpers for SCA 1 & 2 inputs
dB
-20
-20
-20
Internal jumper for RDS input
Connector
Type
Impedance
Connector
Type
Connector
Type
Impedance
dB
-30
-30
-30
XLR F
Balanced
110
TOS Link
optical
RCA (chinch)
unbalanced
75
XLR F
Balanced
110
TOS Link
optical
RCA (chinch)
unbalanced
75
XLR F
Balanced
110
TOS Link
optical
RCA (chinch)
unbalanced
75
N type
50
BNC
50
approx. -30
BNC
> 4,7 k
1
BNC
>600
0
N type
50
BNC
50
approx. -30
BNC
> 4,7 k
1
BNC
>600
0
N type
50
BNC
50
approx. -30
BNC
> 4,7 k
1
BNC
>600
0
BNC
DB9 F
DB15F
BNC
DB9 F
DB15F
BNC
DB9 F
DB15F
1 External fuse F 6,3 T - 5x20 mm
1 External fuse F 6,3 A - 5x20 mm
1 External fuse F 6,3 T - 5x20 mm
1 External fuse F 10 A - 5x20 mm
1 External fuse F 6,3 T - 5x20 mm
1 External fuse F 10 A - 5x20 mm
Optical encoder with pushbutton
Graphical LCD - 240 x 64 pixels
Optical encoder with pushbutton
Graphical LCD - 240 x 64 pixels
Optical encoder with pushbutton
Graphical LCD - 240 x 64 pixels
FWD fold
REF fold
6 input for P.A. telemetry purpose
Interlock
Power good 1
Power good 2
I2Cbus
FWD fold
REF fold
6 input for P.A. telemetry purpose
Interlock
Power good 1
Power good 2
I2Cbus
FWD fold
REF fold
6 input for P.A. telemetry purpose
Interlock
Power good 1
Power good 2
I2Cbus
Ohm
dBu
dB
dB
Ohm
dBu
dB
dB
Ohm
dBu
dB
dB
Ohm
Ohm
Leq 3 min @ 1 m
Selectable by software
1 dB step variable by software
Selectable by software
1 dB step variable by software
Selectable by internal jumper
1 dB step variable by software
externally adjustable
OUTPUTS
RF Output
RF Monitor
Pilot output
MPX Monitor
AUXILIARY CONNECTIONS
Interlock
RS232 Serial Interface
Remote Interface
Remote RDS Interface
FUSES
On Mains
On PA Supply
HUMAN INTERFACE
Input device
Display
TELEMETRY / TELECONTROL
Remote connector inputs
Remote connector outputs
Connector
Impedance
Connector
Impedance
Output Level
Connector
Impedance
Output Level
Connector
Impedance
Output Level
Connector
Connector
Connector
Connector
Analogical level
Analogical level
Analogical level
ON / OFF level
ON / OFF level
ON / OFF level
Remote connector others
Remote RDS connector inputs
iv
Ohm
Ohm
dBc
Ohm
Vpp
Ohm
dBu
ON / OFF level
ON / OFF level
ON / OFF level
Referred to the RF output
@ ±75 kHz peak FM, externally adjustable +12 / -6 dBu
for remote power inhibition (short is RF off)
for modem and PC control software communication
IIC + 8 analog / digital input
RDS coder commands
For P.A. A.G.C. purpose, max 2 Vcc
For P.A. A.G.C. purpose, max 2 Vcc
max 5 Vcc
for remote power inhibition (short is RF off)
relay (software setted)
relay (software setted)
For telecontrol purposes
For telecontrol purposes
For telecontrol purposes
For Isofrequency purposes
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Technical Description
PTX100LCD
PTX150LCD
ppm
kHz
μS
dBc
87.5 ÷ 108
100
Direct carrier frequency
Mono, Stereo, Multiplex
-10 to + 50
From software, with 10 kHz steps
±1
150 Stereo, 200 Mono/MPX
0, 25, 50 (CCIR), 75 (FCC)
<75 (80 typical)
87.5 ÷ 108
150
Direct carrier frequency
Mono, Stereo, Multiplex
-10 to + 50
From software, with 10 kHz steps
±1
150 Stereo, 200 Mono/MPX
0, 25, 50 (CCIR), 75 (FCC)
<75 (80 typical)
dB
≥ 70
≥ 70
dB
≥ 50
≥ 50
dB
> 80 (typical 84)
> 80 (typical 84)
dB
>73
>73
dB
>68
>68
dB
%
better than ± 0.5 dB (typical ± 0.2)
< 0.05 (Tipical 0.03%)
better than ± 0.5 dB (typical ± 0.2)
< 0.05 (Tipical 0.03%)
Parameters
U.M.
Frequency range
Rated output power
Modulation type
Operational Mode
Ambient working temperature
Frequency programmability
Frequency stability
Modulation capability
Pre-emphasis mode
Spurious & harmonic suppression
MHz
W
GENERALS
Asynchronous AM S/N ratio
Synchronous AM S/N ratio
°C
WT from -10°C to 50°C
Referred to 100% AM,
with no de-emphasis
Referred to 100% AM,
FM deviation 75 kHz by 400Hz sine,
without de-emphasis
Notes
Continuously variable by software from 0 to maximum
Without condensing
Meets or exceeds all FCC and CCIR rules
Selectable by software
Meets or exceeds all FCC and CCIR rules
MONO OPERATION
S/N FM Ratio
Frequency Response
Total Harmonic Distortion
Intermodulation Distortion
Transient intermodulation distortion
RMS @ ± 75 kHz peak,
HPF 20Hz - LPF 23 kHz,
50 μS de-emphasis
Qpk @ ± 75 kHz peak,
CCIR weighted,
50 μS de-emphasis
Qpk @ ± 40 kHz peak,
CCIR weighted,
50 μS de-emphasis
30Hz ÷ 15kHz
THD+N 30Hz ÷ 15kHz
Measured with a 1 KHz,
1.3 KHz tones,
1:1ratio, @ 75 kHz FM
3.18 kHz square wave,
15 kHz sine wave
@75 kHz FM
%
< 0.02
< 0.02
%
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
dB
> 80 (typical 84)
> 80 (typical 84)
dB
dB
%
%
± 0.2
± 0.5
< 0.05
< 0.1
± 0.2
± 0.5
< 0.05
< 0.1
MPX OPERATION
Composite S/N FM Ratio
Frequency Response
Total Harmonic Distortion
Intermodulation distortion
Transient intermodulation distortion
Stereo separation
STEREO OPERATION
Stereo S/N FM Ratio
Frequency Response
Total Harmonic Distortion
Intermodulation distortion
Transient intermodulation distortion
Stereo separation
Main / Sub Ratio
SCA OPERATION
Frequency response
Crosstalk to main or to stereo channel
RMS @ ± 75 kHz peak,
HPF 20Hz - no LPF,
50 μS de-emphasis
30Hz ÷ 53kHz
53kHz ÷ 100kHz
THD+N 30Hz ÷ 53kHz
THD+N 53kHz ÷ 100kHz
Measured with a 1 KHz,
1.3 KHz tones,
1:1ratio, @ 75 kHz FM
3.18 kHz square wave,
15 kHz sine wave
@75 kHz FM
30Hz ÷ 53kHz
RMS @ ± 75 kHz peak,
HPF 20Hz - LPF 23 kHz,
50 μS de-emphasis,
L & R demodulated
Qpk @ ± 75 kHz peak,
CCIR weighted,
50 μS de-emphasis,
L & R demodulated
Qpk @ ± 40 kHz peak,
CCIR weighted,
50 μS de-emphasis,
L & R demodulated
30Hz ÷ 15kHz
THD+N 30Hz ÷ 15kHz
Measured with a 1 KHz,
1.3 KHz tones,
1:1ratio, @ 75 kHz FM
3.18 kHz square wave,
15 kHz sine wave
@75 kHz FM
%
< 0.05
< 0.05
%
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
dB
> 50 dB (typical 60)
> 50 dB (typical 60)
dB
> 80 (Typical 82)
> 80 (Typical 82)
dB
> 68 dB
> 68 dB
dB
> 67 dB
> 67 dB
dB
%
± 0.5
< 0.05
± 0.5
< 0.05
%
≤ 0.03
≤ 0.03
%
< 0.1 (typical 0.05)
< 0.1 (typical 0.05)
> 50 (typical 60)
> 40 (typical 45)
dB
dB
> 50 (typical 60)
> 40 (typical 45)
40kHz ÷ 100kHz
RMS, ref @ ± 75 kHz peak,
no HPF/LPF,
0μS de-emphasis,
with 67 kHz tone on SCA input
@ 7,5kHz FM deviation
RMS, ref @ ± 75 kHz peak,
no HPF/LPF,
0μS de-emphasis,
with 92 kHz tone on SCA input
@ 7,5kHz FM deviation
dB
± 0.5
± 0.5
dB
> 75 (typical 79 )
> 75 (typical 79 )
dB
> 80 (typical 81 )
> 80 (typical 81)
AC Supply Voltage
AC Apparent Power Consumption
Active Power Consumption
Power Factor
Overall Efficiency
Connector
DC Supply Voltage
DC Current
VAC
VA
W
VDC
ADC
115 - 125 - 230 - 250
350
250
0,71
40
IEC Standard
24
6
115 - 125 - 230 - 250
458
330
0,72
45
IEC Standard
24
6
Front panel width
Front panel height
Overall depth
Chassis depth
mm
mm
mm
mm
kg
483 (19")
88 (3 1/2") 2HE
400
389
About 15
483 (19")
88 (3 1/2") 2HE
400
389
About 15
dBA
Forced, with internal fan
< 56
Forced, with internal fan
< 56
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
BNC
unbalanced
10 k or 50
-13 to +14
±0,5
-12
3 x BNC
unbalanced
10 k
-3 to +15
30Hz ÷ 15kHz
POWER REQUIREMENTS
AC Power Input
DC Power Input (option)
%
max 60W RF out (PTX100LCD e PTX150LCD)
MECHANICAL DIMENSIONS
Phisical Dimensions
Weigh
19" EIA rack
VARIOUS
Cooling
Acoustic Noise
AUDIO INPUTS
Left / Mono
Right / MPX balanced
MPX unbalanced
SCA/RDS
AES/EBU (option)
TOS/Link (option)
S/P DIF (option)
Connector
Type
Impedance
Input Level, Adjustment Range
externally fine adjustable
Internal jumper
Connector
Type
Impedance
Input Level, Adjustment Range
externally fine adjustable
Internal jumper
Connector
Type
Impedance
Input Level, Adjustment Range
externally fine adjustable
Internal jumper
Connector
Type
Impedance
Input Level, Adjustment Range
Ohm
dBu
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
XLR F
Balanced
10 k or 600
-13 to +14
±0,5
-12
BNC
unbalanced
10 k or 50
-13 to +14
±0,5
-12
3 x BNC
unbalanced
10 k
-3 to +15
2 Internal jumpers for SCA 1 & 2 inputs
dB
-20
-20
Internal jumper for RDS input
Connector
Type
Impedance
Connector
Type
Connector
Type
Impedance
dB
-30
-30
XLR F
Balanced
110
TOS Link
optical
RCA (chinch)
unbalanced
75
XLR F
Balanced
110
TOS Link
optical
RCA (chinch)
unbalanced
75
N type
50
BNC
50
approx. -30
BNC
> 4,7 k
1
BNC
>600
0
N type
50
BNC
50
approx. -30
BNC
> 4,7 k
1
BNC
>600
0
BNC
DB9 F
DB15F
BNC
DB9 F
DB15F
1 External fuse F 6,3 T - 5x20 mm
1 External fuse F 10 A - 5x20 mm
1 External fuse F 6,3 T - 5x20 mm
1 External fuse F 10 A - 5x20 mm
Optical encoder with pushbutton
Graphical LCD - 240 x 64 pixels
Optical encoder with pushbutton
Graphical LCD - 240 x 64 pixels
FWD fold
REF fold
6 input for P.A. telemetry purpose
Interlock
Power good 1
Power good 2
I2Cbus
FWD fold
REF fold
6 input for P.A. telemetry purpose
Interlock
Power good 1
Power good 2
I2Cbus
Ohm
dBu
dB
dB
Ohm
dBu
dB
dB
Ohm
dBu
dB
dB
Ohm
Ohm
Leq 3 min @ 1 m
Selectable by software
1 dB step variable by software
Selectable by software
1 dB step variable by software
Selectable by internal jumper
1 dB step variable by software
externally adjustable
OUTPUTS
RF Output
RF Monitor
Pilot output
MPX Monitor
AUXILIARY CONNECTIONS
Interlock
RS232 Serial Interface
Remote Interface
Remote RDS Interface
FUSES
On Mains
On PA Supply
HUMAN INTERFACE
Input device
Display
TELEMETRY / TELECONTROL
Remote connector inputs
Remote connector outputs
Connector
Impedance
Connector
Impedance
Output Level
Connector
Impedance
Output Level
Connector
Impedance
Output Level
Connector
Connector
Connector
Connector
Analogical level
Analogical level
Analogical level
ON / OFF level
ON / OFF level
ON / OFF level
Remote connector others
Remote RDS connector inputs
User Manual
ON / OFF level
ON / OFF level
ON / OFF level
Ohm
Ohm
dBc
Ohm
Vpp
Ohm
dBu
Referred to the RF output
@ ±75 kHz peak FM, externally adjustable +12 / -6 dBu
for remote power inhibition (short is RF off)
for modem and PC control software communication
IIC + 8 analog / digital input
RDS coder commands
For P.A. A.G.C. purpose, max 2 Vcc
For P.A. A.G.C. purpose, max 2 Vcc
max 5 Vcc
for remote power inhibition (short is RF off)
relay (software setted)
relay (software setted)
For telecontrol purposes
For telecontrol purposes
For telecontrol purposes
For Isofrequency purposes
Rev. 4.0 - 05/02/16
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Table of Contents
1.
2.
3.
3.1
3.2
4.
4.1
4.2
4.3
4.4
4.5
5.
5.1 5.2 5.3 5.4 6.
6.1
6.1
7.
7.1
7.2
8.
9.
9.1
9.2
10.
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
vi
Preliminary Instructions
Warranty
First Aid
Treatment of electrical shocks
Treatment of electrical Burns
General Description
Unpacking
Features
Frontal Panel Description
Rear Panel Description
Connector Pinouts
Quick guide for installation and use
Using the encoder
Preparation
Operation
Calibration
Operating System
Start-up
Operating System System Status Enquiries
Local enquires
Remote enquiries using remote control software
Factory Settings
Identification and access to the modules
Modules identification
Access to the modules
Operating principles
Power Supply
Audio mainboard Audio Inputs
Coder
PLL/Driver card & VCO Card
Power amplifier
Panel Card
CPU board (8bit)
AUDINP-DIG card
Rev. 4.0 - 05/02/16
1
1
2
2
2
3
3
3
4
5
6
8
8
9
10
12
14
14
14
28
28
28
29
31
31
32
33
34
35
36
37
38
39
40
41
42
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
IMPORTANT
The symbol of lightning inside a triangle placed on the product, evidences the operations for
which is necessary gave it full attention to avoid risk of electric shocks.
The symbol of exclamation mark inside a triangle placed on the product, informs the user
about the presence of instructions inside the manual that accompanies the equipment, important for the efficacy and the maintenance (repairs).
Make sure both are properly connected.
1. Preliminary Instructions
Operation of this equipment in a residential area may cause
radio interference, in which case the user may be required
to take adequate measures.
• General Warnings
This equipment should only be operated, installed and
maintained by “trained” or “qualified” personnel who are familiar
with risks involved in working on electric and electronic circuits.
“Trained” means personnel who have technical knowledge of
equipment operation and who are responsible for their own
safety and that of other unqualified personnel placed under
their supervision when working on the equipment.
“Qualified” means personnel who are trained in and
experienced with equipment operation and who are
responsible for their own safety and that of other unqualified
personnel placed under their supervision when working on
the equipment.
The specifications and data contained herein are provided
for information only and are subject to changes without prior
notice. R.V.R. Elettronica S.p.A. disclaims all warranties,
express or implied.While R.V.R. Elettronica S.p.A.
attempts to provide accurate information, it cannot accept
responsibility or liability for any errors or inaccuracies in this
manual, including the products and the software described
herein. R.V.R. Elettronica S.p.A. reserves the right to make
changes to equipment design and/or specifications and to
this manual at any time without prior notice.
WARNING: Residual voltage may be present inside
the equipment even when the ON/OFF switch is set to
Off. Before servicing the equipment, disconnect the
power cord or switch off the main power panel and
make sure the safety earth connection is connected.
Some service situations may require inspecting the
equipment with live circuits. Only trained and qualified
personnel may work on the equipment live and shall be
assisted by a trained person who shall keep ready to
disconnect power supply at need.
This product is a radio transmitter suitable for frequencymodulation audio radio broadcasting. Its operating
frequencies are not harmonised in designated user countries.
Before operating this equipment, user must
obtain a licence to use radio spectrum from the
competent authority in the designated user country.
Operating frequency, transmitter power and other
characteristics of the transmission system are subject to
restrictions as specified in the licence.
R.V.R. Elettronica S.p.A. shall not be liable for injury to
persons or damage to property resulting from improper use
or operation by trained/untrained and qualified/unqualified
persons.
WARNING: The equipment is not water resistant.
Any water entering the enclosure might impair proper
operation. To prevent the risk of electrical shock or
fire, do not expose this equipment to rain, dripping or
moisture.
Please observe local codes and fire prevention rules when
installing and operating this equipment.
WARNING: This equipment contains exposed
live parts involving an electrical shock hazard. Always
disconnect power supply before removing any covers
or other parts of the equipment.
Ventilation slits and holes are provided to ensure reliable
operation and prevent overheating; do not obstruct or
cover these slits. Do not obstruct the ventilation slits under
any circumstances. The product must not be incorporated
in a rack unless adequate ventilation is provided or the
manufacturer’s instructions are followed closely.
WA R N I N G : T h i s e q u i p m e n t c a n r a d i a t e
radiofrequency energy and, if not installed in compliance
with manual instructions and applicable regulations,
may cause interference with radio communications.
WARNING: This equipment is fitted with earth
connections both in the power cord and for the chassis.
User Manual
• Notice concerning product intended purpose and use
limitations.
2. Warranty
La R.V.R. Elettronica S.p.A. warrants this product to be free
from defects in workmanship and its proper operation subject
to the limitations set forth in the supplied Terms and Conditions.
Please read the Terms and Conditions carefully, as purchase
of the product or acceptance of the order acknowledgement
imply acceptance of the Terms and Conditions.
For the latest updated terms and conditions, please visit our web
site at WWW.RVR.IT. The web site may be modified, removed
or updated for any reason whatsoever without prior notice.
The warranty will become null and void in the event the
product enclosure is opened, the product is physically
damaged, is repaired by unauthorised persons or is used for
purposes other than its intended use, as well as in the event
of improper use, unauthorised changes or neglect. In the event a defect is found, follow this procedure:
1 Contact the seller or distributor who sold the equipment;
provide a description of the problem or malfunction for
the event a quick fix is available.
Sellers and Distributors can provide the necessary
information to troubleshoot the most frequently encountered
problems. Normally, Sellers and Distributors can offer a
faster repair service than the Manufacturer would. Please
note that Sellers can pinpoint problems due to wrong
installation.
2 If your Seller cannot help you, contact R.V.R. Elettronica
S.p.A. and describe the problem; if our staff deems it
appropriate, you will receive an authorisation to return
the equipment along with suitable instructions;
3 When you have received the authorisation, you may
return the unit. Pack the unit carefully before shipment;
use the original packaging whenever possible and seal
the package perfectly. The customer bears all risks of
loss (i.e., R.V.R. shall not be liable for loss or damage)
until the package reaches the R.V.R. factory. For this
reason, we recommend insuring the goods for their full
value. Returns must be sent on a C.I.F. basis (PREPAID)
to the address stated on the authorisation as specified
by the R.V.R. Service Manager.
Rev. 4.0 - 05/02/16
/ 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Units returned without a return authorisation may
be rejected and sent back to the sender.
•
Do not stop chest compressions while giving
artificial breathing.
4 Be sure to include a detailed report mentioning all
problems you have found and copy of your original
invoice (to show when the warranty period began) with
the shipment.
•
Call for medical help as soon as possible.
3.1.2
Please send spare and warranty replacement parts orders to
the address provided below. Make sure to specify equipment
model and serial number, as well as part description and
quantity.
R.V.R. Elettronica S.p.A.
Via del Fonditore, 2/2c
40138 BOLOGNA ITALY
Tel. +39 051 6010506
3. First Aid
3.1
Electric shock treatment
3.1.1
If the victim is unconscious
Lay the victim down on his/her back on a firm
surface.
•
the neck and tilt the head backwards to free
Cover victim with a blanket.
•
Try to reassure the victim.
•
Loosen the victim’s clothing and have him/her
lie down.
•
Call for medical help as soon as possible.
3.2
Treatment of electric burns
3.2.1
Large burns and broken skin
Follow the first aid procedures outlined below.
•
•
All personnel engaged in equipment installation, operation
and maintenance must be familiar with first aid procedures
and routines.
If the victim is conscious
•
Cover affected area with a clean cloth or
linen.
•
Do not break any blisters that have formed;
remove any clothing or fabric that is stuck to
the skin; apply adequate ointment.
•
Administer adequate treatment for the type of
accident.
•
Get the victim to a hospital as quickly as
possible.
•
Elevate arms and legs if injured.
If medical help is not available within an hour, the victim is
conscious and is not retching, administer a solution of table
salt and baking soda (one teaspoon of table salt to half
teaspoon of baking soda every 250 ml of water).
the airway system (Figure 1).
Have the victim slowly drink half a glass of solution for four
times during a period of 15 minutes.
Stop at the first sign of retching.
Do not administer alcoholic beverages.
Figure 1
•
If needed, open the victim’s mouth and check
for breathing.
•
If there is no breathing, start artificial respiration
without delay (Figure 2) as follows: tilt the head
backwards, pinch the nostrils, seal your mouth
around the victim’s mouth and give four fast
rescue breaths.
3.2.2
Minor burns
•
Apply cold (not ice cold) strips of gauze or dress
wound with clean cloth.
•
Do not break any blisters that have formed;
remove any clothing or fabric that is stuck to
the skin; apply adequate ointment.
•
If needed, have the victim change into clean,
dry clothing.
•
Administer adequate treatment for the type of
accident.
•
Get the victim to a hospital as quickly as
possible.
•
Elevate arms and legs if injured.
Figure 2
•
/ 44
Check for heartbeat (Figure 3); if there is
no heartbeat, begin chest compressions
immediately (Figure 4) placing your hands in
the centre of the victim’s chest (Figure 5).
Figure 3
Figure 4
Figure 5
•
One rescuer: give 2 quick rescue breaths after
each 15 compressions.
•
Two rescuers: one rescue breath after each 5
compressions.
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
4. General Description
ELETTRONICA
PTX30LCD, PTX50LCD, PTX60LCD, PTX100LCD & PTX150LCD are a compact
FM exciter manufactured by R.V.R. Elettronica SpA for audio radio broadcasting
in the 87.5 to 108 MHz band in 10kHz steps, featuring adjustable RF output up to
30, 50, 60, 100 or 150 W�������������������������������������������
, respectively, under 50 Ohm standard load.
PTX30LCD, PTX50LCD, PTX60LCD, PTX100LCD & PTX150LCD are designed
to being contained into a 19” rack box of 2HE.
4.1 Unpacking
The package contains:
1 PTX30LCD, PTX50LCD, PTX60LCD, PTX100LCD & PTX150LCD 1 User Manual
1 Mains power cables
The following accessories are also available from Your R.V.R. Dealer:
• Accessories, spare parts and cables
4.2 Features
The PTX-LCD is available in a version with incorporated stereo coder (identified
by code “/S”) or in a MONO/MPX version. The MONO/MPX model may be used
for mono or stereo transmission using an external stereo coder.
User interface consists of a graphic liquid crystal display and a knob (encoder).
This interface lets you view all parameters relating to machine operation and adjust
settable parameters (e.g.: power level or operating frequency).
The exciter has been designed to easily integrate into complex transmission
systems. To this end, it is capable of accepting data from, controlling or interacting
with external equipments, such as amplifiers, switching units, relays or other
exciters.
The PTX-LCD design is based on a modular concept: the different functions
are performed by modules that are connected directly through male and female
connectors or through flat cables terminated by connectors. This design facilitates
maintenance and module replacement.
User Manual
Rev. 4.0 - 05/02/16
/ 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
4.3 Frontal Panel Description
Figure 4.1
[1] PWR SET OK
Lit: the exciter is delivering the set power.
Blinking: the exciter didn’t reach the set power for external reasons.
[2] REMOTE
Indicates that the exciter is controlled by an external system.
[3] ON AIR
Indicates that the exciter is delivering output power (is on air).
[4] ON
Indicates that exciter is switched on.
[5] GENERAL
Indicates transmitter failure in the event of alarms.
[6] UNLOCK
Indicates that PLL is not yet locked to set frequency.
[7] SWR���������������������������������������������������������������
Indicates that the transmitter is blocked due to exceeding SWR�.
[8] EXT RF MUTE
I��������������������������������������������������������������������
ndicates that the exciter is not delivering power because inhibited
by an interlock�.
[9] DISPLAY
Liquid Crystal Display, supports both graphics (240x64 pixels) and
text (30x8 characters).
[10] ENCODER
Software control knob and button.
[11] POWER
Mains power switch.
/ 44
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
4.4 Rear Panel Description
Figure 4.2
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
VOLTAGE SELECTOR
FUSE
TELEMETRY
RS232
REMOTE
RF OUTPUT
TOSLINK
DIGITAL IMP. SELECT
LEFT OUT ADJ
[10]RIGHT OUT ADJ
[11]AES/EBU
[12]LEFT (MONO)
[13]RIGHT (MPX BAL)
[14]MONITOR
[15]19 kHz PILOT
[16]PLUG
[17]IN 10MHZ
[18]24Vdc IN - [19]24Vdc IN +
[20]P.A. Fuse
[21]INTERLOCK
[22]RFL
[23]FWD
[24]FAN
[25]RF TEST
[26]SPDIF
User Manual
Voltage selection block.
Mains power supply fuse.
DB25 connector of telemetry card (option).
DB9 connector for direct serial communication.
DB15 connector for interface to remote devices.
N connector for RF output.
Digital section - Fiber optics digital audio input connector.
Digital section - Not used.
Digital section - Trimmer for Left level adjustment of
converted digital audio signal.
Digital section - Trimmer for Right level adjustment of
converted digital audio signal.
Digital section - Balanced XLR connector for AES/EBU
digital audio input.
Analogue section - XLR connector for Left/mono input.
Analogue section - XLR connector for Right / MPX input.
Analogue section - BNC connector to control the composite
modulation signal.
Analogue section - BNC connector for output tone control,
may be used to synchronise external devices (such as RDS
coder).
Mains power plug.
BNC input connector of Sync signal for external devices
(option).
Connectors for external 24V power supply (option). Negative
(black).
Connectors for external 24V power supply (option). Positive
(red).
Protection fuse of RF final stage.
Interlock BNC connector: when central conductor is
connected to ground, the transmitter is placed into forced
standby mode.
Trimmer for automatic gain control based on reflected
power.
Trimmer for automatic gain control based on forward power.
Forced cooling fan.
Test output at -30 dBc with respect to output level.
Digital section - Unbalanced PIN/RCA connector for S/PDIF
Rev. 4.0 - 05/02/16
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
[27]DIG/ANALOG SWITCH
[28]LEFT INP ADJ
[29]RIGHT INP ADJ
[30]MPX UNBAL ADJ
[31]MPX UNBAL
[32]SCA1 ADJ
[33]SCA1 UNBAL
[34]SCA2 ADJ
[35]SCA2 UNBAL
[36]SCA3/RDS ADJ
[37]SCA3/RDS UNBAL
ELETTRONICA
audio input.
Digital section - 3.5 mm JACK, connector for external
Digital/Analogue command.
Analogue section - Trimmer for Left input adjustment.
Analogue section - Trimmer for Right input adjustment.
Analogue section - Trimmer for level adjustment.
Analogue section - Unbalanced MPX BNC connector.
Analogue section - Trimmer for level adjustment.
Analogue section - SCA1 BNC connector.
Analogue section - Trimmer for level adjustment.
Analogue section - SCA2 BNC connector.
Analogue section - Trimmer di regolazione del livello.
Analogue section - SCA3/RDS BNC connector.
4.5 Connector Pinouts
4.5.1 Remote
Type: Female DB15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Ext Rem - Interlock input, disables tx if connected to ground.
Ext Rfl Pwr - Analogue input (Max. 2VDC) for reflected power from external
amplifier.
GND
Analog Input 5 or I2C bus SDA *
Analog Input 3
Analog Input 1
RLY 2 Out - Digital output. Normally open relay contact; it is closed to
ground according to a preset on/off time when exciter state changes
from ON to OFF. If the ExPwr menu is disabled, the states of this contact
have the following meanings: closed = Power Good; open = alarm.
GND
GND
Ext Fwd Pwr - Analogue input (Max. 2VDC) for forward power from external
amplifier.
Analog Input 6 or I2C bus SCL *
Analog Input 4
Analog Input 2
GND
RLY 1 Out - Digital output. Normally open relay contact; it is closed to
ground according to a preset on/off time when exciter state changes
from OFF to ON. If the ExPwr menu is disabled, this contact serves as
a “AUDIO alarm”: closed = Alarm; open = OK.
* : the function is determined by jumper JP6 on the power supply card. If jumper
JP6 was inserted, PIN4 and PIN11 of remote connector become inputs for
analog signals.
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Analogic inputs
I2C Inputs
4.5.2 RS 232
Type: DB9 female
1
2
3
4
5
6
7
8
9
NC
TX_D
RX_D
NC
GND
+12V
NC
CTS
NC
Note: Normally, PTX-LCD serial communication is configured as DCE (Data
Communication Equipment).
4.5.3 Left (MONO) / Right (MPX Bal)
Type: XLR female
1
2
3
User Manual
GND
Positive
Negative
Rev. 4.0 - 05/02/16
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
5. Quick guide for installation and use
This section provides a step-by-step description of equipment installation and
configuration procedure. Follow these procedures closely upon first power-on
and each time any change is made to general configuration, such as when a new
transmission station is added or the equipment is replaced.
Once the desired configuration has been set up, no more settings are required
for normal operation; at each power-up (even after an accidental shutdown),
the equipment defaults to the parameters set during the initial configuration
procedure.
The topics covered in this section are discussed at greater length in the next
sections, with detailed descriptions of all hardware and firmware features and
capabilities. Please see the relevant sections for additional details.
IMPORTANT: When configuring and testing the transmitter in which the equipment
is integrated, be sure to have the Final Test Table supplied with the equipment ready
at hand throughout the whole procedure; the Final Test Table lists all operating
parameters as set and tested at the factory.
5.1 Using the encoder
The interaction between the user and the exciter’s control software is performed
using the encoder (fig. 5.1).
Turn the encoder counterclockwise
to move the cursor downwards, to
decrease the value of a parameter
or to choose an element from a list
of possibilities.
Turn the encoder clockwise to
move the cursor upwards, to
increase the value of a parameter
or to choose an element from a list
of possibilities.
Push the button once to enter in the desired
menu, to enter in modification mode or to
confirm a choice.
Figure 5.1
The operations that can be performed on the encoder are:
• rotation: moves the cursor shown on the display; if you turn the encoder to
the left (counterclockwise), the cursor moves downwards, if you turn it right the
cursor moves upwards; it also permits to increase or diminish the parameters
(turning the encoder left diminishes the parameter, turning it right increases it)
or to select an item form a list of options.
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ELETTRONICA
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
• pression: push the button once when the cursor is on the name of a menu to
enter in that menu, push it when the corsor is on the name of a parameter to
enter in modification mod (the cursor starts blinking); after the modification of
a parameter, push the button to save the new value.
After having modified the value of a parameter, the cursor goes on blinking for
approximately 30 seconds, waiting for confirmation from the user. If the user
doesn’t confirm the new value (i.e., the button is not pressed), the device emits a
sound to indicate that no modification has been saved; the cursor stops blinking
and remains on the selected parameter.
5.2 Preparation
Unpack the transmitter and before any other operation check the unit for any
shipping damage and check that all the controls and connectors on the front and
rear panels are in good conditions.
Check the mains voltage selector on the rear panel: the selected value is indicated
by the angle of changer switch. If required, use a little screwdriver (Fig. 5-2) and
rotate the block until that the correct value corresponds.
Figure 5.2
If it has been necessary to change voltage, check the fuse value. The required
values are the following:
PTX30LCD
240VAC ±10% - 3,16 A (5x20)
120VAC ±10% - 6,30 A (5x20)
PTX50LCD
240 VAC ±10% - 6,30 A (5x20)
120VAC ±10% - 10,0 A (5x20)
PTX60LCD
240 VAC ±10% - 6,30 A (5x20)
120VAC ±10% - 10,0 A (5x20)
User Manual
Rev. 4.0 - 05/02/16
/ 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
PTX100LCD
240 VAC ±10% - 6,30 A (5x20)
120VAC ±10% - 10,0 A (5x20)
PTX150LCD
240 VAC ±10% - 6,30 A (5x20)
120VAC ±10% - 10,0 A (5x20)
ELETTRONICA
It is also possible to check the integrity of the RF amplifier section fuse from the
outside.
The values are 4A for the PTX30LCD version and 8A for the PTX50LCD,
PTX60LCD, PTX100LCD and PTX150LCD versions.
Verify that the mains switch on the front panel of the unit is on the OFF position.
Connect to the RF output of the exciter a proper load (a dummy load with suitable
dissipation power, an antenna, a final amplifier or a combiner).
Note: When you connect the PTX-LCD to other devices, it is necessary to strictly
follow the instructions given by the resepective manufacturers, to avoid damages
or danger situations.
Connect the mains cable to the plug on the rear of the exciter.
Note: This device shall be correctly connected to ground.
Correct grounding is essential both for safety and to reach the rated
performances.
Connect your source audio (for example the mixer or STL output) to the suitable
input connector. Depending on the version, the PTX-LCD offers a number of input
choices, L+R, MPX or even digital; see the connectors description for details.
5.3 Operation
Switch on the exciter with the mains switch on the front panel.
All the STATUS and ALARMS leds are lit on to permit the verification of their good
working status. The display than shows some information regarding the exciter.
RVR ELETTRONICA
PTX30 LCD TRDSP
CCIR
STEREO
03050600
30/04/2004
After a few seconds, an intermittent beep and a display message prompt the user
to push the button if operating parameters are not.
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
!!! ATTENTION !!!
The setting parameters are:
Frequency:
Power
:
98.000 Mhz
8
%
Push encoder button if you
don't accept these parameters
Pushing the button places the transmitter in standby mode, which provides full
operation, but disables RF power output.
If the button is not pushed, the start-up sequence will continue.
The transmitter stores set parameters in a non volatile memory so that the correct
configuration is retained upon power-off.
When settings are not correct, as may be the case on first power-on, or need to
be changed for some reason before beginning transmission, the transmitter may
be placed in standby mode as mentioned above.
This is only necessary when you wish to change machine settings before beginning
transmission.
The PTX-LCD menu system enables the user to control all operating parameters
of the machine.
Before enabling exciter power output, check the following key parameters and
adjust as required:
• frequency
• power
• audio input level
• audio input impedance
• preemphasis
• audio input type (depending on version, MONO or MPX; or MONO, MPX_U,
MPX_B, STEREO)
• if in STEREO mode, ensure that pilot tone is active
If RF power output was disabled, you may now enable it from the MAIN menu as
follows: select the first item and change setting from OFF to ON.
The RF power output of the PTX-LCD may be disabled from the main menu at
any time.
During machine operation, all available parameters can be viewed or edited using
the menu system.
User Manual
Rev. 4.0 - 05/02/16
11 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
5.4 Calibration
The PTX-LCD trimmers can be accessed from the rear panel and can be adjusted
by the user. There are two EXT AGC (FWD and RFL) trimmers and the LEVEL
ADJ trimmers.
The LEVEL ADJ trimmers are used to control modulation levels to the matching
inputs. Audio input levels are adjusted via software in 1 dB steps and the trimmers
are used for fine tuning.
For SCA input levels, only trimmer adjustment is available.
The EXT AGC trimmers enable the user to limit exciter output power according
to the levels reached by two analogue quantities acquired through the Remote
connector.
Nota: this function should not be used if you are using amplifiers of Green Line
series,and to avoid the possible rupture of final which invalidates any kind of
warranty.
The two trimmers use the same mode of operation: EXT AGC - FWD is connected
to pin 10 of the Remote connector, whereas EXT AGC-RFL is connected to pin 2.
If voltage at either of the pins exceeds the threshold set at the matching trimmer,
exciter output power is reduced until the monitored quantity drops below the set
limit.
These trimmers are very useful when the exciter is part of a transmission system.
For example, assuming that the PTX-LCD is connected to a power amplifier, a
proportional signal may be linked to amplifier output power at pin 10 and another
proportional signal may be linked to reflected power at pin 2. This way, power is
kept steady at varying operating frequencies even though amplifier gain is variable
and reflected power limitation is achieved for the whole system without triggering
amplifier protection equipments.
The calibration procedure for the EXT AGC trimmers of PTX-LCD in a configuration
with power amplifier is described below.
Perform the connections shown in figure 5.3. The cable to connect the two
equipments is available from R.V.R. Elettronica on request, or the user may ask
a skilled technician to provide a cable to match the pinout of the amplifier used.
12 / 44
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Figure 5.3
Switch on amplifier and exciter set to minimum power.
Turn both trimmers fully anticlockwise.
Gradually increase exciter output power until the forward power reading on the
amplifier meter is just below the desired threshold.
Turn the EXT AGC - FWD trimmer clockwise until the reading of amplifier output
power begins to decrease.
Set exciter power to minimum setting.
Disconnect the dummy load from the amplifier and replace it with a mismatch
load so that part of the output power is reflected back and set amplifier meter to
measure reflected power.
Gradually increase exciter output power until the reflected power reading on the
amplifier meter is just above the desired threshold.
Turn the EXT AGC - RFL trimmer clockwise until the reading of amplifier reflected
power begins to decrease.
The trimmer calibration procedure is completed. Thanks to this system, the user
may choose the preferred power setting at the exciter, while amplifier forward and
reflected power remains within the set thresholds.
User Manual
Rev. 4.0 - 05/02/16
13 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6. Operating System
The exciter is controlled by a microprocessor system. Software operations may
be grouped into two broad categories: start-up and normal operation.
6.1 Start-up
Upon switch-on, a window that holds machine information appears on the display.
Label “CCIR” identifies the set of default values the machine will revert to in the
event the software is reinitialised.
PTX30LCD
STEREO
PTXL-000501 25/07/2007
CCIR
AUDIO V.2 SOURCE V.2
After 10 seconds, a new window appears with an intermittent beep signal.
!!! ATTENTION !!!
The setting parameters are:
Frequency:
Power
:
98.00 MHz
8
%
Push encoder button if you
don’t accept these parameters
Pressing the encoder while this screen is displayed disables exciter power output.
This way, the user may make any necessary changes to operating parameters
before beginning transmission.
If no controls are operated during 5 seconds, or if the encoder is pressed, the
exciter goes to the main screen (MAIN).
6.2 Operating System
The PTX-LCD menu system consists of a default menu and set of administration
menus.
The figure below provides an overview of the menu system.
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Ampt/Tm
Preset
ModPk
RF Status (Main)
Default
RF Amplifier (Ampli)
Power Supply (Suppl)
External Power (ExPwr)
External Status (Exsts)
External Frequency (ExFrq)
SCA/RDS (SCA)
Audio Set (Auset)
IAMLC (IAMLC)
Board Set (BdSet)
Stereo Set (StSet)
User Manual
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15 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6.2.1 Default menu
130
100
75
57
30
% 0
PTX30LCD :
On
Fwd Power :
0.1 W
0%
Rfl Power :
0.1 W
Frequency : 87.60 MHz
Audio Lvl : +0
dBm
STE 05u Cl.On Pl.On 001
[ Amp/Tm ]
[ ModPk ]
[ Preset ]
[ Admin ]
To work on a menu item, turn the encoder to select it and then push the encoder.
Depending on the item, it could be possible that a new window is opened or that
it will be possible to directly modify the parameter.
• PTX30LCD
Activation (On) / deactivation (Off) of RF output power.
• Fwd Power
130
Fwd Power :
2.2
W
100
Set Power :
6
%
Rfl Power :
0.0
W
75
57
30
% 0
[ Exit ]
Output power reading and setting. The power reading is expressed in Watt, while
the setting is expressed as percentage of the maximum output power. Pushing the
encoder when the cursor is on this item will put you through the menu that permits
to modify the power setting.
• Rfl Power
Reflected power reading in watt.
• Frequency
Reading and setting of the working frequency. Pushing the encoder while the
cursor is on this item, will put you through the menu that permits to modify the
frequency setting.
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
130
100
75
57
30
% 0
Frequency :
90.00
MHz
[ Exit ]
After choosing a new frequency value, the management software will ask you to
confirm it (Are you sure... Yes/No). After confirmation pushing the encoder
on the choice Yes, the exciter unlocks from the current frequency (the unlock LED
is lit) and then locks again on the new frequency.
• Audio Lvl
Reading and setting of the audio input level. The reported value indicates the audio
level that generates 100% modulation. Pushing the encoder while the cursor is
on this item, will put you through the menu that permits to modify the audio input
level setting.
130
100
75
57
30
% 0
Audio Lvl :
13
dBm
[ Exit ]
The level can be changed between -13 and +14 dBm, at 1 dB steps. On the back of
the exciter there are the trimmers to perform fine regulations of the input levels.
•
Ste
50u
Cl
Pl
001
Audio setting: Stereo/Mono/MPX_U/MPX_B
Preemphasys: 0, 25, 50, 75 microsecondi
“Clipper” function, activated (On) or deactivated (Off)
Pilot tone included (On) or excluded (Off)
this machine’s address, comprised between 001 and 200, that
is meaningful when the exciter is included in a telemetrized
transmission system.
• [ Amp/Tm ]
Selecting this menu item you will be presented with the menu of time analysis of
modulation level.
User Manual
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17 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
130
100
75
57
30
% 0
ELETTRONICA
100
Inst
Reset
Exit
M:000 %
S:000 %
%:000 %
K:00000
100 Sampling time of the graphic, selectable out of 100,500 or 1000
millisec; the indicator in the higher part of the display notes the cycle
starting point.
Each bar corresponds to the modulation level in an interval long as
the sampling time.
INST Visualization method: instantaneous (INST) or average on 300
samples. In instantaneous mode, only the graphic visualization is
active. In “300” mode, at the end of the analysis (300 x sample time)
the values M, S, % and K will be displayed.
M
Percent value of the mean modulation during the analysis.
S
Part of the modulation surpassing 100%.
%
Percentage of modulation peaks on the 300 samples.
K
S times %.
RESETPushing the encoder on this item will refresh the graphic.
EXIT Pushing the encoder on this item will return you to the default menu.
• [ ModPK ]
Selecting this item of the default menu and pushing the encoder will present you
the peak modulation analysis menu.
130
100
75
57
30
% 0
100
Inst
Reset
Exit
M:000 %
S:000 %
%:000 %
K:00000
This graphic gives a visualization of the distibution af peak modulation levels. With
this graphic, you can get a good idea of the modulation level reached during the
working time.
Each horizontal bar corresponds to the fraction of the time in which the modulation
had that percent value. The percent value can be read on the meter bar an the
left of the graph.
100 Sampling time of the graphic, selectable out of 100,500 or 1000
millisec.
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
INST Visualization method: instantaneous (INST) or average on 300
samples. In instantaneous mode, only the graphic visualization is
active. In “300” mode, at the end of the analysis (300 x sample time)
the values M, S, % and K will be displayed.
M
Percent value of the mean modulation during the analysis.
S
Part of the modulation surpassing 100%.
%
Percentage of modulation peaks on the 300 samples.
K
Product between S and %.
RESETPushing the encoder on this item will refresh the graphic.
EXIT Pushing the encoder on this item will return you to the default menu.
• [ Preset ]
Selecting this menu item and pushing the encoder you will access the window that
permits to reset the exciter to the factory settings.
Push encoder for 2
seconds to set the
default values.
Push encode fast
to cancel.
.
As indicated by the window text, keeping the encoder pressed for two seconds
will reset the exciter and a start-up procedure analogous to that performed at
switch-on will follow.
If you want to skip the menu, just breafly push the encoder.
• [ Admin ]
Selecting this menu item and pushing the encoder will visualize the window that
permits to access all the administration menus.
6.2.1.1 Deviation bar of modulation inputs
Right and left channel input levels are displayed as vertical bars in the left portion
of the screen.
The numbers at the side identify the level corresponding to the percentage of
deviation; for example, index “75” identifies the overall 75% deviation of the
channels.
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6.2.2 Administration menu
6.2.2.1 RF Status
130
100
75
57
30
% 0
RF
FPwr
RPwr
0%
Freq
Att
20 / 44
RF Status
Off
10s Main.
0.0W
0% Ampli
0.0W
Suppl
ExPwr
Freq: 87.500Mhz 0M ExSts
Att :
0dBu
ExFrq
RF :
FPwr:
RPwr:
Activation (On) / deactivation of RF power output.
Reading and setting of time taken by the PTX-LCD to reach set
power; setting range 1 to 100s.
Reading and setting of the output power. The power reading is
expressed in Watts, the setting value in % of the maximum power.
If one pushes the encoder when the cursor is on this item, the
measuring unit changes from “W” to “%”, and turning the encoder he
will be able to set the desired value. Pushing the encoder again will
store the new setting.
Reflected power reading in Watts.
Efficiency of the amplifier in %
Operating frequency. Press the encoder when this parameter is
highlighted and then turn the encoder to change frequency value.
When the encoder is pressed to store the new frequency setting, the
software will prompt for a confirmation (“Are you sure?”). Highlight
“Yes” and press the encoder to confirm the new frequency setting or
select “No” to abandon change. Value “0M” near the MHz indication
identifies the current frequency selection (set from menu “ExFrq”)
in the event the frequency switching feature is on (switching occurs
based on the voltage present at connector DB15).
Gain set at audio inputs.
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6.2.2.2 RF Amplifier
This menu is for information only, no value can be modied, since they show current,
voltage and temperature af the amplifier section
130
100
75
57
30
% 0
RF Amplifier
IN.V:
+40.1 V
PA.V:
+2.8 V
PA.I:
+0.0 A
TEMP:
+22.4 °C
Ampli
Suppl
ExPwr
ExSts
ExFrq
Telem
IN.V Input voltage to the power supply.
PA.V Voltage of the final stage of the amplifier.
PA.I Current of the final stage of the amplifier.
TEMP Temperature of the amplifier module.
VVCO Voltage applied to VCO section.
6.2.2.3 Power Supply
This menu is for information only; it displays to the user the different voltages
produced by the power supply:
130
100
75
57
30
% 0
Power Supply
+15 : +15.1 V
+15 : +14.8 V
+5 :
+5.0 V
-12 : -11.2 V
LAMP : +13.2 V
+5 :
+5.0 V
Suppl
ExPwr
ExSts
ExFrq
Telem
SCA
+15A Main supply voltage to audio, pll, coder circuits; it is reduced to 8
Volts on the MAIN AUDIO BOARD.
+15P Supply voltage of control logic panel.
+5
Voltage of power supply digital circuits.
-12 Negative voltage of main power supply.
LAMP Display lamp supply voltage; typically, 13 Volts.
CPU CPU supply voltage.
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6.2.2.4 External Power
External amplifier control menu.
This menu may or may not be available, depending on machine jumper settings.
Use of this menu requires certain power amplifier features (amplifier may be turned
on and off by opening a contact and is capable of providing proportional voltages
to forward and reflected power).
130
100
75
57
External Power
Pwr :
Off
FPwr:
0 %
RPwr:
0 %
30
% 0
ExPwr
ExSts
ExFrq
Telem
SCA
GenSt
PWR Status indicator, command relates to the PTX-LCD mode (MAIN
menu).
FPWR Forward power supplied by external amplifier expressed in percent.
It is possible to adjust the FWD trimmer of supply module, and
externally accessible from rear panel, to have a 100% proper display
on the screen.
RPWRReflected power supplied by external amplifier expressed in percent.
It is possible to adjust the RFL trimmer of supply module, and
externally accessible from rear panel, to have a 100% proper display
on the screen.
6.2.2.5 External Status
Monitoring menu for input voltages from a telemetry-equipped equipment.
This menu may or may not be available, depending on machine jumper settings.
130
100
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57
30
% 0
V1
V2
22 / 44
External Status
V1 :
0.0 V
V2 :
0.0 V
V3 :
0.0 V
V4 :
0.0 V
V5 :
0.0 V
V6 :
0.0 V
ExSts
ExFrq
Telem
SCA
GenSt
AuSet
Input voltage at pin 6 of REMOTE connector expressed in Volts (max
5 Volts).
Input voltage at pin 13 of REMOTE connector expressed in Volts
(max 5 Volts).
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
V3
V4
V5
V6
Input voltage at pin 5 of REMOTE connector expressed in Volts (max
5 Volts).
Input voltage at pin 12 of REMOTE connector expressed in Volts
(max 5 Volts).
Input voltage at pin 4 of REMOTE connector expressed in Volts (max
5 Volts).
Input voltage at pin 11 of REMOTE connector expressed in Volts
(max 5 Volts).
6.2.2.6 Ext. Freq. SET
Frequency switching menu, switching is based on voltage present in previous
menu.
This menu may or may not be available, depending on machine jumper settings.
130
100
75
57
30
% 0
Ext. Freq. SET
Freq.1: 87.500MHz
Freq.2: 90.000MHz
Freq.3: 94.000MHz
Freq.4:100.000MHz
Freq.5:101.000MHz
Freq.6:104.000MHz
ExFrq
Telem
SCA
Genst
AuSet
IAMLC
Freq 1
Default service frequency.
Freq 2-6 Service frequencies of transmitters 2-6.
6.2.2.7 SCA / RDS
This menu shows the modulation levels achieved by the SCA and RDS inputs in
the PTX-LCD.
130
100
75
57
30
% 0
SCA / RDS
0.0Khz
0.0%
SCA1:|
0.0Khz
0.0%
SCA2:|
0.0Khz
0.0%
RDS :|
SCA.
Genst
AuSet
IAMLC
BdSet
StSet
The PTX-LCD has three subcarrier transmission inputs named SCA1, SCA2 and
RDS. This menu shows the modulation level achieved by each input both in kHz
and in percent.
User Manual
Rev. 4.0 - 05/02/16
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6.2.2.8 Audio Set
Audio settings: channels on/off and level adjustment.
130
100
75
57
30
Audio Set
Mono/L:
Mpx/ R:
Mono/L:
Mpx/ R:
+0
+0
On
On
dBm
dBm
AuSet
IAMLC
BdSet
StSet
% 0
MONO/L
Setting of audio input level on MONO channel (left channel if stereo
version). It is adjusted in 1 dBu steps in a -13 to +14 dBu range. If
parameter is set to X dBmu, the system generates a 75 kHz deviation
for an X dBu input.
MPX/R
Setting of audio input level on MPX channel (right channel if stereo
version). It is adjusted in 1 dBu steps in a -13 to +14 dBu range. Set
level has the same meaning as for the first channel.
MONO/L
Software switch to set MONO channel On / Off (left channel if stereo
version).
MPX/RSoftware switch to set MPX channel On / Off (right channel if stereo
version)
When the exciter is placed in STEREO mode from the BdSet menu (for stereo
version), the same level adjustment is forced on both channels.
6.2.2.9 IAMLC
Intelligent Automatic Modulation Level Control.
130
100
75
57
30
% 0
IAMLC
Set IAMLC: Off
Min Max
Mod: 0
0
%
Ist: 0.0 0.0 sec
Att: -13 -13 dBm
IAMLC
BdSet
StSet
The IAMLC functionality provided by PTX-LCD adjusts the modulation level by
adaptation of the input level, without the use of limitation or compression.
When the average modulation level surpasses the maximum threshold for a time
interval exceeding the maximum hysteresis time that has been set, the input level
24 / 44
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
is attenuated by 1 dB. In the same way, when the average modulation level goes
below the minimum threshold for a time interval exceeding the minimum hysteresis
time that has been set, the input level is increased by 1 dB.
Both the attenuation and the increase that IAMLC is allowed to introduce, have
limits that can be set by the user.
The elements of this menu are the following:
IAMLCEnable or disable the function
Mod Minimum and maximum thresholds for the intervention of IAMLC
Ist Intervention time related to the minimum and maximum thresholds
Att Maximum attenuation and increase IAMLC is allowed to introduce
The following table suggests the settings of this function for different kinds of radio
programs:
Radio Program
Mod Min
Mod Max
Ist Min
Ist Max
Att Min
Att Max
Dance
75 %
100 %
10 s
1s
-3 dBm
+6 dBm
Pop, rock
30 %
100 %
20 s
0,5 s
-3 dBm
+6 dBm
Electronic
50 %
100 %
10 s
1,5 s
-3 dBm
+3 dBm
Jazz
40 %
100 %
5s
0,5 s
-3 dBm
+6 dBm
Classical
20 %
92 %
30 s
0,5 s
-4 dBm
+10 dBm
Talk show
40 %
85 %
30 s
1s
-3 dBm
+14 dBm
The best results with this function will be obtained investing some time in
experimentation with your own radio programs:
• Use the man MODPK to check your average modulation level. Adjust the input
level from the main menu so that the average modulation level is the nearest
to 100%.
• Set the IAMLC parameters as suggested by the table, and adjust them so that
the function is not activated too often. Consider the fact that the intervention
of the function stops when the average modulation level goes between the
minimum and maximum thresholds.
• The use of the clipper circuit (BdSet menu) helps in the limitation of the
modulation peaks above 100%, though introducing a certain aomunt of distorion.
Think about your possible need for this function, depending on your radio.
The figure shows an example of modulation level evolution when the IAMLC
function is activated.
User Manual
Rev. 4.0 - 05/02/16
25 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
Livello di modulazione medio
Ist M a x
ELETTRONICA
Ist M a x
1 dB
1 dB
Mod Max
Ist m in
M o d m in
Tempo
6.2.2.10
BoardSet
Modulation mode configuration.
130
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57
30
% 0
Board Set
Mode
:
PreEmph:
Clipper:
Imped. :
Scale :
STEREO
50 uS
Off
10 K Ohm
1:1
BdSet
StSet
Mode Transmission mode selector: MONO, MPX_U (unbalanced MPX
BNC input), MBX_B (balanced MPX XLR input), STEREO. The latter
option is only enabled on the version with stereo coder.
Preemph
Preemphasis setting, 0, 25, 50 or 75 us. Preemphasis affects the
right and left inputs in stereo mode and the mono input. MPX inputs
are not affected by preemphasis setting.
Clipper
Deviation limiter enable/disable. Limits deviation to 81.5 kHz for input
levels 6 dB greater than input reference (main menu).
Imped
Impedance of balance audio inputs; setting possibilities are 600 or
10k Ohm.
Scale
Modulation level graphic scale ratio. It can be set to 1:1 (standard
scale) or 1:10 (magnified 10 times, convenient when evaluating
modulation for low input levels).
26 / 44
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
6.2.2.11
Stereo Set
Configuration menu for stereo coder card (where relevant option is installed).
130
100
75
57
30
Stereo Set
Pilot Ø:
0 %
Pilot : On
Chan. Ø:
0
StSet
% 0
PilotAdd/remove pilot tone (convenient for some types of measurements).
Chan.ph
Right channel phase, may be 0 or 180 (signal reversal, convenient
when measuring “Sub to Main”).
User Manual
Rev. 4.0 - 05/02/16
27 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
7. System Status Enquiries
The exciter is controlled by a microprocessor system. The software operations
can be distinguished at startup and during regime.
7.1 Local enquires
Locally, PTX-LCD provides status indications through the front panel lights, whereas
more detailed information is available in the setup and configuration menu.
7.2 Remote enquiries using remote control software
Using a PC with the “TELECON” telemetry and remote control software installed,
the user can get an accurate picture of all system operating parameters and all
device settings (including connected equipments).
28 / 44
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
8. Factory Settings
Each time a change is made to a PTX-LCD parameter, the new setting is added
to machine configuration information, which is stored in a non-volatile memory
area. On switch on, the exciter will retain the same configuration it had been using
before the last switch off.
At the factory, the exciter may be set to meet application-specific requirements
(for example, when the customer specifies operating frequency and mode of
operation of the system the exciter is to be incorporated into on order), or to a
preset configuration.
The PTX-LCD preset configuration is determined by the position of a set of jumpers
located inside the machine. When the exciter is switched on, the name of the
selected preset configuration appears on the display.
Possible configurations are as follows:
CCIR
Parameter
Power Output
Minimum frequency
Maximum frequency
Frequency step
Preset frequencies
Menu
Preset
/
/
/
Admin-ExFrq
Value
On
87.5 MHz
108.0 MHz
10 kHz
87.5, 90.0, 92.0, 94.0, 96.0, 98.0, 100.0,
102.0, 104.0, 106.0 MHz
Power
Preset
0%
Input level Mono/L
Admin->AuSet->Mono/L X dBm
0 dBm
Input level MPX/R
Admin->AuSet->MPX/R X dBm
0 dBm
Input state Mono/L
Admin->AuSet->Mono/L X dBm
On
Input state MPX/R
Admin->AuSet->MPX/R
On
Preemphasis
Admin->BdSet->Preemph
50 ms
Clipper
Admin->BdSet->Clipper
Off
Mode of operation
Admin->BdSet->Mode
Stereo (if stereo coder is present)
MPX (if stereo coder is not present)
Pilot tone
Admin->StSet->Pilot
On (if stereo coder is present)
Phase difference btw Ch.Admin->StSet->Chan
0 (if stereo coder is present)
FCC
Same as CCIR, except:
Parameter
Preemphasis
Mode of operation
User Manual
Menu
Value
Admin->BdSet->Preenph
75 ms
Admin->BdSet->Mode
Stereo (if stereo coder is present)
Mono (if stereo coder is not present)
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PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
OIRT
Same as CCIR, except:
Parameter
Minimum frequency
Maximum frequency
Preset frequencies
Mode of operation
Menu
/
/
Admin-ExFrq
Value
66.0 MHz
74.0 MHz
66.0, 67.00, 68.00, 68.00, 69.00, 70.00,
71.00, 72.00, 73.00, 74.00 MHz
Admin->BdSet->Mode
Stereo (if stereo coder is present)
Mono (if stereo coder is not present)
JAPAN
Same as CCIR, except:
Parameter
Minimum frequency
Maximum frequency
Preset frequencies
Mode of operation
Menu
/
/
Admin-ExFrq
Value
76.0 MHz
90.0 MHz
76.0, 78.0, 80.0, 82.0, 83.0, 84.0, 85.0, 86.0,
88.0, 90.0 MHz
Admin->BdSet->Mode
Stereo (if stereo coder is present)
Mono (if stereo coder is not present)
ITALY
Same as CCIR, except:
Parameter
Minimum frequency
Maximum frequency
Frequency step
Preset frequencies
Clipper
Mode of Operation
Menu
/
/
/
Admin-ExFrq
Value
87.6 MHz
107.9 MHz
100 kHz
87.6, 90.0, 92.0, 94.0, 96.0, 98.0, 100.0,
102.0, 104.0, 106.0 MHz
Admin->BdSet->Preenph
On
Admin->BdSet->Mode
Stereo (if stereo coder is present)
Mono (if stero coder is not present)
C.S.I
Same as CCIR, except:
Parameter
Minimum frequency
Maximum frequency
Preset frequencies
Menu
/
/
Admin-ExFrq
CHINA
Same as CCIR, except:
Parameter
Minimum frequency
Maximum frequency
Preset frequencies
30 / 44
Menu
/
/
Admin-ExFrq
Value
100.0 MHz
108.0 MHz
100.0, 100.5, 100.1, 101.5, 102.0, 103.0,
104.0, 105.0, 106.0, 108.0 MHz
Value
87.0 MHz
108.0 MHz
87.5, 90.0, 92.0, 94.0, 96.0, 98.0, 100.0,
102.0, 104.0, 106.0 MHz
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
9. Identification and access to the modules
ELETTRONICA
9.1 Modules identification
The figure shows a top view of machine inner components. Component descriptions
are listed below.
1
7
8
2
3
9
4
10
5
6
11
[1] Audio Input card
[2] Stereo Coder or mono card
[3] RF power amplifier
[4] Audio mainboard
[5] PLL & VCO card
[6] CPU Section (CPU Interface + 8Bit CPU card)
[7] Power supply
[8] Transformer
[9] Switching power supply
[10]Cooling fins
[11] Panel card - display
User Manual
Rev. 4.0 - 05/02/16
31 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
9.2 Access to the modules
Warning: Dangerous voltages or currents inside! Be careful when opening the
device. Always disconnect power supply before removing the covers or any device
component.
Remove all screws on the top cover of the machine. Remove the cover and refer
to the block diagram to identify and locate all exciter components.
To remove the (stereo or mono) coder and PLL cards, simply undo the hexagon
nuts that secure the cards over the stud bolts. Both cards have strip connectors
at the bottom and these connectors are coupled to the audio mainboard.
To remove the audio input card (which is secured to the audio connector card and
to the right side of the exciter rear panel), undo the four nuts that retain the card to
the audio mainboard stud bolts and then remove the five screws on the rear panel
and the three bottom screws that retain the connector support.
The RF power amplifier is secured to its cooling fin and is held in position by three
screws located on exciter bottom. The screws hold the fin in place; remove these
screws to release the amplifier.
Power supply and switching power supply use the same fastening system and can
be released by removing the screws that secure the fins to machine bottom. Note,
however, that the interlock connector soldered to the power supply is retained to
the rear panel by a nut, and you will need to undo this nut before you can remove
the power supply.
The panel card and the CPU card are held in place by nuts screwed onto the stud
bolts. Detach the front panel from the box before removing these cards.
32 / 44
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User Manual
RS232
CONNECTOR DB9
3
CN1
INT1V1009
SW1
MAINS
VOLTAGE
FUS5X20DL6,3
PFS5X20PAB10
DISPLAY LCD
CPU CARD
ENCODER
2
2
JP4
JP3
SLT2P6,3AP
3
1
SW2A
240V
230V
120V
110V
BACKLIGHT LAMP
BACKLIGHT LED LAMP
CONN STRIP 20 PIN
CONN STRIP 90 PIN
CONN MASCON 6 PIN
1
SLDB9FFILFL2
FL1
JP11
18
0
15
0
31
0
TRFPTX30LT/2
TR1
JP10
JP9
FRONT PANEL CARD
JP1
JP1
2
CN3
2
1
2
3
4
5
6
MORSVL6P
1
FLTPTXLCD05
FL4
1
FLTPTXLCD03
FL2
CONN STRIP 26 PIN
CONN STRIP 16 PIN
CN5
CN1
JP1
JP2
JP5
JP3
JP2
JP6
JP1
PF2
FUS5X20RP6,3
CN2
1
JP8
JP3
FLTPTXLCD04
FL3
MORSVL6P
CN4
PFS5X20PAN10
F2
JP1
MOTHER BOARD
AUDIO
JP6
POWER SUPPLY
CARD
3
JP2
4
STEREO CODER CARD
OR
MONO / MPX CARD
1
JP1
5
2
VTL0824UB
FAN1
CNTMASF2PVL
CN5
CN2
CNTFVL10P
10
9
8
7
6
5
4
3
2
1
1
2
DIGITAL AUDIO
INPUT CARD
C1 CEA109MS500V
JP1
JP2
JP1
JP1
TP2
R.F. POWER AMPLIFIER
CN1
SLCCX01A0033
CN1
PLL CARD
CN1
TP5
PAD2 PAD1
TP4
V.C.O. CARD
PAD4 PAD3
TP1
SWITCHING
POWER SUPPLY
CON-PA CARD
CONN STRIP 26 PIN
JP1
FLTPTXLCD01
FL5
JP4
JP2
MPX/SCA AUDIO
INPUT CARD
2
AUDIO INPUT
CARD
2
2
1
1
6
2
7
3
8
4
9
5
5
CN6
CNTVDEMPSI10
GND
1
L
F1
PF1
2
N
6
Rev. 4.0 - 05/02/16
1
2
User Manual
1
ELETTRONICA
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
10. Operating principles
The figure below provides an overview of the PTX-LCD modules and
connections.
Following is a brief description of the different module functions.
33 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
10.1 Power Supply
There are two separate power supply sections.
A first section provides power supply for power final stage. It consists in a switching
power supply unit mounted on a cooling fin.
The second section consists in a card mounted on a heat sink located centrally in
the machine. This card accommodates the power supply that feeds the different
machine cards (audio, CPU...), a section that handles analogue inputs from the
“Remote” connector and the automatic power level control system.
10.1.1 Adjustments, settings and indicators
While the switching power supply requires no adjustments, the power supply card
accommodates several indicators and adjustable components.
D52 on: power amplifier fuse fault
D53 on: fuse PF1 fault
D54 on: +5V present
D55 on: +15V present
D57 on: -12V present
D58 on: supply voltage present at power supply section.
R35 temperature measure setting
R17 level adjustment for external AGC
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Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
R18
R30
R35
R39
R51
R98
JP6
level adjustment for external AGC
PA current measurement adjustment
PA maximum current adjustment
Forward power measurement adjustment
Reflected power measurement adjustment
Driver current measurement adjustmen
1-3, 2-4 the pins on the remote connector are used as analogue
inputs.
3-5, 4-6 the pins on the remote connector are used for IIC
communication.
10.2 Audio mainboard
This board provides an interface between audio section and PPL cards and the
remaining exciter cards. The audio mainboard is secured to the left bottom section
of the machine. The other cards are plugged to the connectors mounted on this
board.
This module includes the circuit that mixes MPX signals and SCA/RDS
subcarriers.
10.2.1 Adjustments, settings and indicators
D2
D4
D5
D6
JP8
User Manual
On: audio missing alarm
On: voltage present
On: voltage present
On: voltage present
Factory setting - do not alter
Rev. 4.0 - 05/02/16
35 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
10.3 Audio Inputs
The audio input section is located at the rear end of the machine and is connected
directly to the audio mainboard through comb connectors. It is made up of two
cards assembled at right angles to give an L-shaped pattern and secured to the
rear panel section that accommodates the audio connectors.
The first card holds the level trimmers and the input filters. The second card includes
level adjustments and audio configuration software control switches.
After the necessary elaboration (filtering, level adjustment, selection), the audio
input section passes the signals on to the audio mainboard, that routes them to
the coder card.
10.3.1 Adjustments, settings and indicators
D2
D1
JP3
JP2
36 / 44
On: power supply negative voltage present
On: power supply positive voltage present
3-5, 4-6, 9-11, 10-12 no attenuation on input L
1-3, 2-4, 7-9, 8-10 12 dB attenuation on input L
Same as JP3, affects input R
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
JP8 1-2 no gain on SCA2, 2-3 20 dB gain
JP111-2 MPX_U input impedance 50 Ohm, 2-3 10 kOhm
JP101-2 no gain on SCA3, 2-3 30 dB gain
JP9 1-2 no gain on SCA1, 2-3 20 dB gain
JP123-5, 4-6 no attenuation on MPX input
1-3, 2-4 12 dB attenuation on MPX input
RV7 MPX monitor output level adjustment
10.4 Coder
The coder card is mounted above the mainboard between the audio input card
and the PLL & Driver card.
This card comes in two versions, namely Stereo and Mono/MPX. The only
difference between a Stereo PTX-LCD and a Mono/MPX PTX-LCD lies in the
coder module.
Depending on the version, this card accommodates the low-pass filters, the
preemphasis circuits, the stereo coder and the Clipper circuit, which may be
enabled or disabled via software.
The Clipper circuit is mandatory in some countries; its purpose is to limit modulation
level when audio inputs exceed nominal level.
User Manual
Rev. 4.0 - 05/02/16
37 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
10.4.1 Adjustments, settings and indicators
Stereo Coder
C2 Pilot tone phase
C4 Pilot tone frequency
R11 Stereo coder card output level
R15 Pilot tone level
R16 Stereo separation optimisation - left channel
R17 Stereo separation optimisation - right channel
R33 Clipper circuit operation level
R39 Clipper circuit operation symmetry adjustment
R40 Optimisation of 38 kHz subcarrier suppression
D1 Clipper operating indication
Mono/MPX card
LP1 Low-pass filter 1
LP2 Low-pass filter 2
RV1 Mono level
RV2 Mono coder card output level (deviation)
RV3 Clipper circuit operation level
D1 Power supply positive voltage presence
D2 Power supply negative voltage presence
D3 Clipper operating indication
10.5 PLL/Driver card & VCO Card
The PLL/Driver card is located on the left side of the PTX-LCD and is plugged into
the audio mainboard.
The digital PLL module consists of a high-stability oscillator with temperature control
and a digital circuit that divides and compares operating frequency. The oscillator
generates a 10 Mhz frequency that is divided to give a fixed 1 kHz signal.
This signal is sent to the digital comparator/divider circuit that compares it to
the VCO output signal, which has been divided according to exciter operating
frequency.
The comparator AFC output signal is sent to to the varicap diodes mounted on the
VCO card and added to the audio signal provided by the Coder card.
The Voltage Controlled Oscillator (VCO) generates the signal on exciter operating
frequency; this signal is amplified up to about 300mW (25dBm), which is the
necessary level to pilot the R.F. Power Amplifier block.
Note: The VCO card is housed in a nickel silver brass box secured to the PLL &
Driver card.
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User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
JP
RV
D
JP
RV
10.5.1 Adjustments, settings and indicators
On: PLL not locked
Frequency adjustment
Deviation adjustment
1-2 exchanger between internal reference and 10 MHz external input
in equipments with SFN option
JP4 Factory setting - do not alter
D2
RV1
RV2
JP1
10.6 Power amplifier
The power amplifier is available in 30W, 50/60/100W and 150W.
Final power stage is secured to a heat-sink fin in the centre of the device and
housed in a fully shielded metal enclosure secured to the central section of the
equipment.
The R.F. signal from the PLL/DRIVER CARD, which is about 200mW, reaches
the pilot, is amplified uy an intermediate stage and sent to the final stage which
provides to the last amplification.
The resulting signal is filtered by a low-pass filter to remove harmonic
components.
A directional coupler located inside the final stage measures forward and
reflected power of the load and sends the relating signals to the power supply for
verification.
A -30dBc level output for output power is available on a BNC connector located
on the rear panel, under the transmitter output connector.
User Manual
Rev. 4.0 - 05/02/16
39 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
10.7 Panel Card
This card is located in the front end of the device and provides an interface between
the CPU card and the remaining PTX-LCD cards.
This card handles all signals from/to LCD, Encoder, LED Indicators, Power Supply
Card, Audio Mainboard and external telemetry card, in other words, all input/output
signals of the CPU card.
10.7.1 Adjustments, settings and indicators
JP8 Position of panel card jumpers.
The software denotes jumper positions as follows (1 signifies a closed jumper, 0
open jumper, X jumper not necessary for this type of configuration):
40 / 44
Rev. 4.0 - 05/02/16
User Manual
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
Jump
5
0
1
0
1
X
X
X
X
X
X
X
X
Jump
6
0
0
1
1
X
X
X
X
X
X
X
X
Jump
7
X
X
X
X
0
1
0
1
0
1
0
1
Jump
8
X
X
X
X
0
0
1
1
0
0
1
1
Jump
9
X
X
X
X
0
0
0
0
1
1
1
1
Meaning
ExPwr, ExSts and ExFrq menus disabled
ExPwr and ExSts enabled, ExFrq disabled
ExPwr and ExSts disabled, ExFrq enabled
ExPwr, ExSts and ExFrq menus disabled
Default parameters set in case of reset:
Default parameters set in case of reset:
Default parameters set in case of reset:
Default parameters set in case of reset:
Default parameters set in case of reset:
Default parameters set in case of reset:
Default parameters set in case of reset:
Default parameters set in case of reset:
CCIR
FCC
OIRT
Japan
Italia
CSI
China
CCIR
NOTE: please never use the first three positions of the jumper, for A proper
functioning of machine.
1) In case of ExFrq enabled is necessary to modify the jumper JP6 on power supply,
as indicated in the following figure, in order to enabled the alternatives frequencies
that shall be used when the exciter is used as backup in a N+1 system.
2) In case of MAINS alarm enabled is necessary to modify jumper the JP6 on
power supply, as indicated in the following figure, in order to validate the activation
of the alarm.
10.8 CPU board (8bit)
The CPU board is on the front part of the device, fixed to the panel board.
This board is the heart of the transmitter, since it manages and elaborates all the
information coming from the other boards and possibly from other devices via the
serial interface or the telemetry board.
The main characteristics of the CPU board are:
• Microprocessor:
80C552
• EPROM Memory size:
64KBytes
• Static RAM size:
32KBytes
• Communication Interface:
RS232-RS485 e I2C Bus
• EEPROM size:
256Bytes
• Self-diagnosis LED:
9 led rossi
The board requires no adjustment.
User Manual
Rev. 4.0 - 05/02/16
41 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
ELETTRONICA
D1-D9
JP2
JP8
10.9 AUDINP-DIG card
The card permits to the PTX-LCD exciter the integration into systems using digital
audio distribution.
This card is designed to replace the typical audio input section with no need for
particular adjustments; no changes to exciter firmware (Releasexx04xxxx) are
required after an update.
If present, a digital input will be automatically selected by the supplied logic.
Analogue (instead of digital) input selection can be forced using an external
command.
A automatic switch is available to choose between the balanced (AES/EBU),
unbalaced (S/PDIF) or optical (TOSLINK) digital input.
Two trimmers adjust converted digital input level to normalize R and L signals with
respect to analogue input regulated level.
The D/A conversion is performed automatically by 24 bit converters using a
sampling frequency from 32 to 96 KHz.
This option supports data formats S/PDIF, AES/EBU, IEC958 and EIAJ
CP340/1201.
10.9.1 Functions description
The section is located in the PTX-LCD rear panel and is connected directly to the
audio mainboard via a strip line connector. It includes three different cards.
The system provides for twelve cyclic system queries that enable quick fault
location. If queries are not successful, a FAULT signal is sent to the CPU card that
will take the necessary action to prevent additional faults.
42 / 44
Rev. 4.0 - 05/02/16
User Manual
ELETTRONICA
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
The first card contains the balanced analogue inputs and the level trimmers
for all analogue inputs and their filters; this is the same card used in PTX-LCD
without AUDINP-DIG. The second card accommodates level adjustments and the
software-based audio configuration switches. The third section helps convert the
digital signal to “Left” and “Right” analogue signal and includes a matching level
trimmer. This section also enables digital or analogue input selection: digital inputs
are selected by default where fitted, whereas analogue inputs are selected using
the Digital/Analog switch jack connector. A manual switch is available to choose
between the balanced (AES/EBU) and unbalanced (TOSLINK and S/PDIF) digital
input.
After the necessary elaboration (filtering, level adjustments, D/A conversion,
selection), the audio input passes the signal on to the mainboard that routes it to
the coder card.
User Manual
Rev. 4.0 - 05/02/16
43 / 44
PTX30LCD, PTX50LCD, PTX60LCD,
PTX100LCD & PTX150LCD
44 / 44
Rev. 4.0 - 05/02/16
ELETTRONICA
User Manual
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