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Two_channel_video_amplifier

2016-09-10 19:19  
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Two_channel_video_amplifier
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.