Microwave oscillator hermetically sealed and coupled to dielectr

Details Microwave oscillator hermetically sealed and coupled to dielectr Microwave oscillator hermetically sealed and coupled to dielectr

1984-08-27

1986-09-02

LaRoche, Eugene R.

Oscillators

With distributed parameter resonator

331107DP, 331117D, H03B 518, H03B 714

Patent

active

046098836

ABSTRACT:
The interior of a metal housing is divided by a dielectric substrate into two compartments. At least one of the compartments is kept air-tight. The substrate carries thereon a semiconductor active element chip for oscillation within the air-tight compartment and a dielectric resonator within the other compartment. The chip and the resonator, electromagnetically coupled with the chip, constitute a microwave oscillator whose oscillation frequency can be stabilized. A metal screw is threaded into that wall of the housing which defines the other compartment in a predetermined positional relationship to the resonator. The metal screw is rotatable to vary the distance between the screw and the resonator and, thereby, the oscillation frequency.

REFERENCES:
patent: 4511860 (1985-05-01), Bastida et al.
Jacob et al, "Broad Band Tunable GaAs-FET Oscillator With Hybrid-Coupled Evancent and Microstrip Resonators", Conference: Proceedings of the 10th European Microwave Conference, Warsaw, Poland, (Sep. 8-12, 1980), pp. 709-713.

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