Short-range radar transceiver employing a FET oscillator

Details Short-range radar transceiver employing a FET oscillator Short-range radar transceiver employing a FET oscillator

1989-04-24

1990-06-05

Barron, Jr., Gilberto

Communications: directive radio wave systems and devices (e.g.,

Determining velocity

Combined with determining distance

342175, 455 87, 455326, G01S 1334, H04B 128

Patent

active

049317997

ABSTRACT:
A field effect transistor FMCW radar transceiver for short-range target detection, employs a varactor-tuned, gallium arsenide field effect transistor, voltage-controlled oscillator in the dual role of the transmitter signal source and the local oscillator. The radar transceiver is capable of operating at low IF frequencies for short range, which can be less than 30 feet, target detection.

REFERENCES:
patent: 2927319 (1960-03-01), Bradley
patent: 4255730 (1981-03-01), Sekine et al.
patent: 4541120 (1985-09-01), Szabo
patent: 4736454 (1988-04-01), Hirsch
patent: 4742354 (1988-05-01), Wen et al.
patent: 4857935 (1989-08-01), Bates
Terrial Cutsinger, "Solid State Local Oscillator Sources for Millimeter and Sub-Millimeter Wave Applications", Conference Digest, 12th International Conference on Infrared and Millimeter Waves, Dec. 14-18, 1987, Orlando, FL., pp. 48a-48b.
Remy LeBlanc et al., "GaAs Monolithic Circuit for FMCW Radars", IEEE International Microwave Symposium Digest, vol. 1, May 25-27, 1988, New York, NY, pp. 99-101.

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