5_V_PEAKS_UPTO_2_MHz

Published:2009/7/14 22:31:00 Author:Jessie | From:SeekIC

Peak-to-peak detector using Optical Electronics 9412 opamps gives DC output voltage equal to peak-to-peak amplitude of sine-wave input voltage Opamp charges memory capacitor Cm during negative half of input cycle and performs DC clamp(restoration) on positive half. Circuit has high input impedance With 0.1-μF memory capacitor, 10-V pulse is acquired in 10μS，For 5-V sine-wave input, maximum frequency is 0.8 MHz, but 0.01-μF memory capacitor boosts frequency capability to 2 MHz, - A Wideband Peak-to-Peak Detector, Optical Electronics, Tucson, AZ、Application Tip 10176.



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