LOW_COST_SQUARE_WAVES

Published:2009/7/16 20:57:00 Author:Jessie | From:SeekIC

Conversion circuit coupled to sine-wave audio oscillator gives square wcnre generator at half usual cost. Will shape sine waves upto 3 Mc before trailing edges of square-wave output begin to deteriorate. Can be triggered by input signals from 0.2 to 10 v. Positive input turns on D1 and Q1, driving amplitude-limiting pair Q2-D2 into conductionto square up waveform. Lower half of circuit generates negative square pulse in negative manner.-R. S. Selleck, Converting Audio Oscillators to Square-Wave Generators, Electronics, 39:16, p 123.



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