85 Security Systems BNC/F
Security Systems
VAM 220 NF, VAM 420 NF
Model
Art. No.
VAM 220 NF
821701
VAM 420 NF
821702
Video-/Audio- Inputs
1/1
2/2
Input impedance
75
Upp = 1 V
Polarity
negative going sync.
Audio
> 10
Voltage for
max. dev. (0db)
Preemphasis
50 μs
40 Hz ... 15 kHz
Volume adjustment
-12 dB
TV standard
PAL / G
Frequency range
Channels
470 ... 862 MHz
E 21 ... E 69 / double sideband modulator
Channel selection
rotary switches
Modulator
Test pattern generator
implemented
Modulator turn off
select a channel < 21 or > 69
Max. output level
95 + 3 dBμV
Level adjustment range
-18 dB
Spurious radiations
outside channel
> 60 dBc
Spurious radiations inside
channel
> 58 dBc
> 50 dB weighted
Video signal / noise ratio
Audio THD
< 0,5 %
Audio signal / noise ratio
> 50 dB
Frequency range
RFloop
through
(unbalanced / BNC female)
Urms=0,63 V
Frequency range
Through loss
47 ... 862 MHz
1,5 dB
2 dB
75
Impendance
RF connectors
PowerSupply
BNC female
Voltage
Input impedance
Terrestrial / CATV
Video
BNC/F
(> 18 dB - 1,5 dB / octave)
F-Connectors DC blocked (max. 50 V DC)
Mains pwer supply U~
Max. power consumption
Remote power provided
(via external terminal)
Dimensions (mm)
100 ... 240 V / 50 ... 60 Hz
9,5 W
12,5 W
+ 12 V / 350 mA
293 x 125 x 75
www.spaun.com · contact@spaun.de
85
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