Oscillators – Solid state active element oscillator – Significant distributed parameter resonator
Patent
1980-04-21
1981-01-20
Grimm, Siegfried H.
Oscillators
Solid state active element oscillator
Significant distributed parameter resonator
331107G, 331177V, H03B 912
Patent
active
042465508
ABSTRACT:
A tunable millimeter wave frequency Gunn oscillator operates efficiently beyond the normal Gunn oscillator frequency range through the use of a second harmonic enhancement circuit. The enhancement circuit is tuned to the fundamental frequency of the oscillator and is tracked with a second harmonic circuit to provide a wide tuning range. Lumped element circuitry is used to aid in providing the wide tuning range and to facilitate adjustment and fabrication.
REFERENCES:
patent: 3548339 (1970-12-01), Barber et al.
patent: 3624550 (1971-11-01), Vane
patent: 3996529 (1976-12-01), Curtice
patent: 4158784 (1979-06-01), Curtice
Bisseger, "Building an Oscillator? Lump It, And Like It!", Microwaves, Jul. 1978, pp. 45-48, 50, 52, 53.
Kawakami, "Some Theoretical and Practical Considerations in the Design of Wideband Varactor Tuned Gunn Oscillators", Wescon 1972, pp. 1-6.
Kosov et al., "Equivalent Parameters of Gunn Diode in Two-Frequency Mode of Operation", Radio Eng. and Electron. Phys., pp. 155-158, vol. 23, Oct. 78.
Kooi et al., "Harmonic Generation Using Gunn Diodes", Electronic Letters, vol. 5, Apr. 17, 1969, pp. 159-160.
Eaton Corporation
Grimm Siegfried H.
Redmond Kevin
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