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Inexpensive Short-Range Microwave Telemetry Transponder,
TEXAS UNIV AT AUSTIN DEPT OF ELECTRICAL AND COMPUTER ENGINEERING
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A microwave transponder is described which is suitable for short- range telemetry applications requiring an inexpensive transmitter. Two antiparallel beam-lead diodes at the terminals of a bow-tie antenna produce double-sideband suppressed-carrier modulation centered about the second harmonic of an externally supplied fundamental carrier. A simple theory predicting performance of the device is confirmed by experiment.
APPROVED FOR PUBLIC RELEASE