NEW ELECTRONIC SYSTEM FOR USRD ANECHOIC-TANK FACILITY.
NAVAL RESEARCH LAB ORLANDO FLA UNDERWATER SOUND REFERENCE DIV
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The transducer calibration system of the Anechoic Tank Facility at USRD has been improved by replacing its original components with electronic equipment of the latest design. A precision frequency synthesizer, a unique synthesizer controller, toneburst and receive-gate generators, a receive amplifier, a peak detector, and improvements to linear and polar recorders have been installed. They are described in detail and illustrated with schematic electronic diagrams of the USRD-designed units. Integrated circuits and semiconductors have been used throughout. Author
- Test Facilities, Equipment and Methods