HYDROPHONE_PREAMP

Published:2009/7/23 22:13:00 Author:Jessie | From:SeekIC

Fet eliminates unwanted noise and added capacitance caused by long cobias connecting hydrophone to shore station, Voltage gain is unity. Can be used with cables UP to 3.000 feel long. if hydrophone moves in water, use 1-meg resistor between gate and ground to suppress low-frequency excursions of signal,-F. Watlington, Hydrophone Preamplifier Cuts Cable Noise, Electronics, 39:16, p 120.



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