Oscillators – Solid state active element oscillator – Significant distributed parameter resonator
Patent
1980-09-05
1982-07-27
Grimm, Siegfried H.
Oscillators
Solid state active element oscillator
Significant distributed parameter resonator
331107G, 331177R, 455321, 455330, H03B 914, H04B 126
Patent
active
043420095
ABSTRACT:
The millimeter and submillimeter wavelength oscillator includes a Gunn diode coupled to a hole in a ferrite image waveguide in such a way that a portion of the waveguide acts as a resonant cavity, and oscillation results. A coil surrounding the portion of the waveguide has a variable dc current applied to it to variably magnetize the waveguide and hence correspondingly vary the oscillator frequency. By applying an RF signal to the Gunn diode, the oscillator frequency can be mixed with the RF to yield heterodyne or intermediate frequencies.
REFERENCES:
patent: 3886471 (1975-05-01), Massani et al.
patent: 3986153 (1976-10-01), Kuno et al.
patent: 4016506 (1977-04-01), Kofol
patent: 4053897 (1977-10-01), Nerheim
patent: 4259647 (1981-03-01), Chang et al.
Lazarus et al, "New Millimetre-Wave Receivers Using Self-Oscillating Gunnode Mixers", The Microwave Journal, Jul. 1971, pp. 43-45.
Paul, "93 GHz Self-Mixing Gunn Oscillator", Conference: 1979 IEEE, International Microwave Symposium Digest, Orlando, FL 30-Apr.-2 May 1979, pp. 79-80.
Edelberg Nathan
Goldberg Edward
Grimm Siegfried H.
Murray Jeremiah G.
The United States of America as represented by the Secretary of
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