Two_channel_video_amplifier

Published:2009/7/24 20:41:00 Author:Jessie | From:SeekIC

Figure 5-3 shows 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 and 0.1°differential-phase errors. The 75-Ω back termination looking into the cable means that the amplitude must swing 2 Vp-p to produce 1-Vp-p at the cable output. LINEAR TECHNOLOGY, APPLICATION NOTE 47, P. 33.



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