LIGHT_PEN_AMPLIFIER

Published:2009/7/16 20:39:00 Author:Jessie | From:SeekIC

Consists of four two-transistor wideband-amplifier modules, each withinverse feedback to hold current gain at 21 with high stability.Interstage coupling networks raise lower cutoff frequency to 500 cps, to provede some rejection of 120-cps room light picked up by photodiode.-B.M. Gurley and C.E.Woodward,Light-Pen Links Computer to Operator,Electronics,32:47,p 85-87.



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