Video Signal Carrier Circuit


Posted on Feb 7, 2014

In the video system of Figs. A and R, a single coaxial cable carries power to the remote location, selects one of eight video channels, and returns the selected signal. The system can choose one of several remote surveillance-camera signals, for example, and display the picture on a monitor near the interface box. The heart of the multiplexer box (A) is a combination 8-channel multiplexer and amplifier(IC1). Cll couples the multiplexer`s baseband video output to the coax, and LI decouples the vi.


Video Signal Carrier Circuit
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