Specifications
Benhur Corporation – Multidyne, International Sales
121
AUTOMATIC BYPASS & KEEP ALIVE SWITCH to
AUTOMATICALLY TEST & ID Four Video Circuit
· Automatically monitor 4 video channels. If the video signal goes off the air or if the video circuit is inactive, an alternate video
signal is switched onto the line automatically. The system uses sync recognition and is not fooled by white noise of off air
signals.
· Ideal for Satellite, Microwave, Off-air Antenna and Cable TV Head-end applications. If you loose a video feed, automatically
put up an emergency message or alternate video signal.
· Automatically test continuity and performance of video feeds. Switch a test signal and character ID onto the circuit when
there is a problem or when it is not in use.
· Front panel LED status indicators.
· High impedance loop-through input for the secondary or test signal input. Loop the secondary inputs of several cards
together.
· Low loss switching using RF relays. Program video will loop-through upon power failure.
· Modular design to plug into the MULTIDYNE UTIL-200 and the Grass 8500/8800 trays.
Test Signal & ID Generators
AB-200
INPUT
Nominal Levels
Video ...............................................................................................................................................1 Vp-p
Return loss .........................................................................................................................................>40 dB
OUTPUT
Video Level ..........................................................................................................................................1 Vp-p
Source termination........................................................................................................................75 Ohms
VIDEO
Frequency ( DC to 5MHz )................................................................................................................+/- 0.05dB
Power consumption, MAX. .................................................................................................................<2 Watts
Temperature range..............................................................................................................................0-50°C