JFET_INPUT

Published:2009/7/6 6:40:00 Author:May | From:SeekIC

U401 dual JFET acting as preamp for standard bipolar opamp uses CR033 N-channel JFET as 330-pA current source. R4 is used to null initial offset. R3 is adjusted for minimum drift.- Analog Switches and Their Applications, Siliconix, Santa Clara, CA, 1976, p 7-51.



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