Blankom MCR 221

MCR 221

Part N o

: 9054.01

14. Technical data

FM Modulator-Converter

2x FM

→ 2x FM, S/PDIF (IN/ OUT)

B

LINE

FM demodulator/ FM input

Input frequency range

Setting range for tuning interval

Level range (for signal noise ratio

≥ 58 dB)

Muting threshold

Return loss

Mono/ stereo threshold

Impedance

Connector

Directional coupler through loss

Time delay at co-channel operation

(f i

= f o

)

87.5 ... 108.0 MHz

1 ... 500 kHz

63 ... 100 dBµV

≤ 19 dBµV

1

≥ 14 dB

≤ 30 dBµV

1

75 Ω

F socket

< 2 dB

≤ 5 ms

1

FM modulator/ FM output

LF input

Max. FM deviation

2x S/PDIF according

EN 60958 [1]

75 kHz

LF level range (deviation correction) -10…+6 dB

Frequency range

Setting range for tuning interval

87.5…108 MHz

1 ... 500 kHz

Output impedance

Output return loss

between 18.9…19.1 kHz

and 23…100 kHz

75 Ω

> 16 dB

Amplitude response 40 Hz...15 kHz,

reference 400 Hz, preemph. 50 µs < ± 0.5 dB

Rejection of modulation frequencies

> 40 dB

Total harmonic distortion between

40 Hz…15 kHz at 40 kHz deviation > 66 dB at 400 Hz

40 Hz…15 kHz at 75 kHz deviation > 60 dB at 400 Hz

Difference-tone-attenuation D2 betw.

40 Hz…15 kHz > 70 dB

SNR weighted

(pre- and deemphase 50 µs, R, L) > 66 dB (Quasi-Peak-

Detector, CCIR weighted)

SNR unweighted

(pre- and deemphase 50 µs, R, L) > 72 dB (Quasi-Peak-

Detector, CCIR unweighted)

Cross-talk attenuation in range

40 Hz…100 Hz

100 Hz…15 kHz

Output frequency drift after

24 hours at 25 °C

> 38 dB (- 26 dBFS)

> 40 dB (- 26 dBFS)

< ± 2 kHz

Temperature depended

frequency drift

Spurios between

< ± 2 kHz

47…87.5 MHz and 111…862 MHz ≥ 64 dB

87.5…111 MHz

Nominal frequency error

≥ 60 dB

≤ 3 kHz

Output level (switchable)

direct output (w/o direct. coupler) max. 2x 110 dBµV

with directional coupler max. 2x 100 dBµV

Total level step

Individual level step

Connector

1 dB (0…31 dB)

0.5 dB (± 3 dB)

F socket

Stereo coder

Processing

Pilot deviation

Multiplex, CCIR

6.7 kHz

RDS coder

Processing

Deviation

Supported services

EN 62106:2001 [2]

2.4 kHz

PS, PTY, TP, TA, EON,

PI, RT, MS, CT, DI

In-/ output accord. UECP V 6.02 [5] D-SUB 9-pole

Operating parameters

Current/ voltage

Residual ripple of

supply voltage

12 V (± 0.2 V)/ 750 mA

≤ 10 mV pp

Enviromental conditions

Temperature range

Temperature range

for data keeping

Relative humidity

Method of mounting

Location of mounting

Miscellaneous

Dimensions (l x w x h)

without 19” adapter

with 19” adapter

Weight

Delivery content

1x Bus connector

2x F connecting cable 140 mm

-10 ... +55 °C

5 ... 45 °C

≤ 80 % (non condensing) vertical splash-proof and drip-proof

50 x 276 x 148 mm

50 x 301 x 148 mm

1,200 g

1

FM IN/ OUT used as FM input 2

15. Bibliography

[1] EN 60958-1: Digital audio interface - Part 1: General (IEC 60958-1:2008); German version EN 60958-1:2008

-3: Digital audio interface - Part 3: Consumer applications (IEC 60958-3:2006 + A1:2009); German version

EN 60958-3:2006 + A1:2010

-4: Digital audio interface - Part 4: Professional applications (IEC 60958-4:2003 + A1:2008); German version

EN 60958-4:2003 + A1:2008

[2] EN 62106:2001 : Specification of the radio data system (RDS) for VHF/ FM sound broadcasting in the frequency range from

87.5 to 108.0 MHz (IEC 62106:2000); German version

[3] EN 60728-11: Cable network for television signals, sound signals and interactive services Part 11: safety (IEC 607278-11: 2005).

German version EN 60728-11: 2005

[4] RFC 1157 Request for Comments (RFC): RFC Database; url: http://www.rfc-editor.org/rfc.html

[5] SPB 490: UECP-DS Universal Encoder Communication Protocol, Final version 6.02, September 2006-Copyright RDS Forum,

Geneva (Switzerland)

[6] EN 50083-2: Cable networks for television signals, sound signals and interactive services Part 2: Electromagnetic compatibility

for equipment, German version EN 50083-2:2006

11