Cavity-stabilized microwave oscillator

Details Cavity-stabilized microwave oscillator Cavity-stabilized microwave oscillator

1984-02-22

1985-12-24

LaRoche, Eugene R.

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

331 96, 333230, H03B 712

Patent

active

045609527

ABSTRACT:
A stabilized microwave oscillator having a selected operating frequency range, composed of a rectangular waveguide dimensioned to have a cutoff frequency above the selected operating frequency range, at least one active semiconductor element and components connected for supplying a direct operating voltage to the element, mounted in the rectangular waveguide, a transmission resonator, and a coupling device coupling the rectangular waveguide to the resonator, the coupling device including a waveguide section having a length of about .lambda./2, where .lambda. is the wavelength of the center frequency of the operating frequency range, and dimensioned at least in part to operate as an evanescent mode waveguide and/or a waveguide having a cutoff frequency in the vicinity of the upper end of the selected operating frequency range.

REFERENCES:
patent: 3308402 (1967-03-01), Grande
patent: 4270099 (1981-05-01), Gill et al.
Craven et al., IEEE Transaction, vol. MTT-19, No. 3, Mar. 1971, pp. 295-308.
Knochel et al., "Design of Cavity-Stabilized Microwave Oscillators", Electronics Letters, Aug. 21st, 1975, vol. 11, No. 17, pp. 405-406.
Knochel et al., "Cavity Stabilized Oscillators with Large Tuning Range", NTZ Archiv (1979) H.1, pp. 9 to 13.
F. M. Magalhaes et al., "A Single-Tuned Oscillator for IMPATT Characterizations", Proceedings of the IEEE, May 1970, pp. 831-832.

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