The following diagram depicts the design of an 8 Camera CCTV using . The is a 4:1 high speed analog switch designed for use as a buffered video multiplexer. This CCTV are suitable for 75 Ohm transmission line connections at both the input and the output and are useful for distribution of wide-band signals such as video via cables.

The 75Ohm reverse terminating resistor at the output gives the correct matching condition to a terminated video cable. The amplifier load is then 150 Ohm.

CCTVCircuitDiagram_thumb3



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