Title :
A Solid-State Converter for Measurement of Aircraft Noise and Sonic Boom
Author :
Zuckerwar, Allan J. ; Shope, William W.
fDate :
3/1/1974 12:00:00 AM
Abstract :
A solid-state converter, used in a system of instrumentation for measuring aircraft noise and sonic boom, features a dualgate FET mixer and an output stage designed for compatibility with a zero drive amplifier of MB Electronics, Inc. With a half-inch condenser microphone the converter itself has an operating frequency range from dc-28 kHz (-3 dB), dynamic range of 72 dB, and noise floor of 50 dB in the band 22.4 Hz-22.4 kHz; the system requires no impedance matching networks and is insensitive to cable length up to at least 3000 ft.
Keywords :
Aerospace electronics; Aircraft; FETs; Frequency conversion; Instruments; Microphones; Mixers; Noise measurement; Solid state circuit design; Solid state circuits;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.1974.4314211
