HIGH_GAIN_IC_WITH_TRANSISTOR

Published:2009/6/28 23:30:00 Author:May | From:SeekIC

High Inputimpedance of RS741C opamp permits use withany general-purpose crystal microphone R2 is volume control,and R3 controls gain and frequency response of IC Power transistor stagedrives loudspeaker directly without outputtransformer、-F M、Mims,″Integrated Circuit Proiects、vol，6、″Radio Shack,Fort Worth,TX,＇1977 p 79-88



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