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Video Selector Circuit

2016-09-13 18:12  
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This circuit selects one of two channels with a logic signal. The unused channel is shorted out, which minimizes crosstalk. The bandwidth at -3 dB is about 8 MHz.

Video Selector Circuit 
 

It is advisable to buffer this circuit because there is some loss in the switches when feeding a 75-Ohm load.
 

 



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