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UNDERSEA_PROPAGATION_TRANSMITTER

2016-04-08 11:02  
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UNDERSEA_PROPAGATION_TRANSMITTER
Develops 100-v peak signal across 100-ohm matched resistive load of crystal transducer, for mean power output of 50 w. Is fed by r-f oscillator through transmitter gate that generates voltage pulse whose width is variable from 10 to 5,000 microsec, to turn on transmitter for corresponding time. P1 and P2 are plug-in circuits that must be changed when operating frequency is changed in range of 25 to 150 kc.-W. C. Gore, Ultrasonics Tests Undersea Propagation, Electronics, 31 :35, p 32-35.