When designing high-performance systems for RF and videoapplications requiring amplifiers, multiplexers, DC restorationcircuits, switched and continuous multipliers, or programmablegain amplifiers, finding the right component todo the job is not easy. The new 4 to 1 video multiplexerMPC100 opens the door to high-speed signal distributionwithout the headaches. This component contains fourwideband open-loop amplifiers connected together internallyat the output with a bandwidth of 180MHz at 1.4Vppsignal swing. When the user selects one channel byapplying a digital “1” to the corresponding SEL input (seeFigure 1), the component acts as a buffer amplifier with ahigh input impedance of 0.88MW||1pF and a low outputimpedance of 11W.
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