LM324 four-Stage Amplifier circuit

Published:2011/5/28 0:27:00 Author:chopper | Keyword: four-Stage Amplifier | From:SeekIC

Four-Stage Amplifier circuit ,14 pins dual-in-line package filter is shown as follows.Active band-pass filter circuit is shown as follows: Spectrum analyzer of acoustics uses this circuit as band-pass filter to select different signals from different frequency ranges,and indicates the scope of signals by using the amount of dots on a monitor lighted by LED.The circuit is shown as follows:



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