Published:2009/7/22 20:21:00 Author:Jessie | From:SeekIC
Free-running mvbr, half of which is connected us Colpitts oscillator, gives 1-Mc sine wave, 100% modulated by 15-cps square wave, for testing two-channel tachometer using radioactive sources-R. R. Bockemuehl und P. W. Wood, Unique Two-Channel Tachometer uses Radioisotopes, Electronics, 35:49, p 44-45.
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