Multiplexed_video_amplifier

Published:2009/7/22 6:49:00 Author:Jessie | From:SeekIC

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.



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