PCM_FREQUENCY_REFERENCE

Published:2009/7/14 21:39:00 Author:May | From:SeekIC

Coherently switched oscillator, 90° phase shifter, Schmitt trigger, and frequency-dividing multivibrator and flip-flop together derive constant-frequency square-wave output clock signal from frequency-shifted subcarrier oscillator of f-m/f-m telemetry system.-R. C. Onstad, New Coherent Keyer Simplifies Pulse-Code Telemetry, Electronics, 35:26, p 71-73.



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