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Dual video amplifier

Dual video amplifier
A good video amplifier has a bandwidth considerably greater than that ofthe average video signal. Furthermore, it is utterly stable, and provides input and output impedances that match directly to coax cable. Phew! What requirements! Weil, this article describes such an amplifier, based on Maxim's MAX457, which contains two very fast CMOS opamps. Applications: an ultra-compact video splitter/crosspoint amplifier, or a flash D-A converter driver.
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