Wideband self mixing millimeter wave receiver

Details Wideband self mixing millimeter wave receiver Wideband self mixing millimeter wave receiver

1987-05-07

1989-06-06

Tarcza, Thomas H.

Communications: radio wave antennas

Antennas

Spiral or helical type

343700MS, 455321, H01Q 136, H04B 126

Patent

active

H00006467

ABSTRACT:
A self-mixing antenna-mixer millimeter wave receiver has the local oscillator and the mixer combined in one single unit, using a Gunn diode (or other device) placed at the center of a spiral antenna and proper voltage applied, so that the diode becomes an oscillator. At the same time the diode will function as a mixer for the input signals received by the spiral antenna. The IF frequency from the mixer can be amplified and detected for further processing. Only a dc power supply is required to feed the diode at the center of the antenna.

REFERENCES:
patent: 3246245 (1966-04-01), Turner
patent: 3296536 (1967-01-01), Copeland et al.
patent: 3509465 (1970-04-01), Andre et al.
patent: 3949407 (1976-04-01), Jagdmann et al.
patent: 4251817 (1981-02-01), Kimurz et al.
patent: 4287603 (1981-09-01), Moser
patent: 4319248 (1982-03-01), Flam
patent: 4342009 (1982-07-01), Dixon, Jr.
patent: 4368472 (1983-01-01), Gandhi
patent: 4573212 (1986-02-01), Lipsky

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