195 KC SONAR F M MODULATOR


Posted on Feb 5, 2014

Used in recording signals from active sonar on magnetic tape, for later playback to control land-based sonar used in training operators. Modulator is basically sawtooth generator whose repetition frequency is changed by amplitude of modulating input signal. -M. H. Damon, Jr. , Tape Target Classifier Trains Sonar Operators, Electronics, 33:13, p 65-6


195 KC SONAR F M MODULATOR
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9.




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