differential FET/BJT amp 2

Created by	anubi
Created	March 27, 2012
Last modified	May 20, 2012
Tags	amplifier audio bjt differential jfet

Differential FET input, single supply, referenced to ground.

V6 or R13 sets bias point. Differential in. Differential out.

Note Q1, Q2 feed back through Q5E to improve CMRR and stabilize bias over temperature.

Useful for mikes/geophones at the end of 500' twisted-pair telephone cable.

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differential FET/BJT amp 2 PUBLIC