001_Hz_TO_100_kHz

Published:2009/7/6 2:53:00 Author:May | From:SeekIC

Variable DC offset permits adjustment of average value of sine, square, or triangle waveform to any arbitrary plus or minus value within voltage swing capability of opamp U3 Buffer stage U2 is inside feedback loop. Simple emitter-follower differentiator provides positive-going 1-V 0.5-μs output at sink terminal. Square-wave output is buffered by emitter-follower Q2.-H.Olson, The Function Generator, CQ, July 1975, p 26-28 and 71-72.



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