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PHASE_LOCK

2017-01-06 11:50  
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PHASE_LOCK
Uses flip-flop, filter, and d-c level shift to phase-lock low-frequency oscillator to a desired frequency. Trigger from master frequency source is fed in at B, and trigger from phase-locked frequency is fed to A. Used to sync ujt sawtooth generator to operate at 10 times the 16-cps center frequency at B.-H. Anway, Phase-locked Frequency Discriminator, EEE, 14;3, p 61.