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Multiplexed_video_amplifier

2016-09-12 01:20  
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Multiplexed_video_amplifier
Multiplexed_video_amplifier
Multiplexed_video_amplifier
This circuit is a simple way to multiplex two video amplifiers onto a single 75-Ω cable. The appropriate amplifier is activated in accordance with the truth table. Amplifier performance includes 0.02% differential gain error and 0.1' differential phase error. The 75-Ω back termination (looking into the cable) means that the amplifier must swing 2 Vpp to produce 1 Vpp at the cable output.