195_KC_SONAR_F_M_DEMODULATOR

Published:2009/7/23 22:28:00 Author:Jessie | From:SeekIC

Used in playback of active sonar f-m signals multiplexed onto one track of magnetic tape, for training students at land-based sonar. Bandpass fiber at input demodulator selects band of frequencies associated with desired f-m terrier. Output from filter is amplified and dipped for switching demodulator, whose output is varying component of average modulating signal current.-M. H. Damon, Jr., Tape Target Classifier Trains Sonar Operators, Electronics, 33:13, p 65-69.



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