6_VARISTOR_PHASE_SHIFT_VTO

Published:2009/7/20 2:22:00 Author:Jessie | From:SeekIC

Range is ten times lowest frequency, with upper limit of several kc, depending on values of C. Triode differential amplifier V1 is first stage of oscillator. One input grid, for a-c amplification, goes to output of phase-shift circuit. Other grid goes to centertap across SiC varistors. -M. Uno, Varistor Network Controls Voltage-Tuned Oscillator, Electronics, 34:30, p 44-47.



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