Temperature compensating apparatus for microwave oscillators and

Wave transmission lines and networks – Attenuators

Patent

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Details

331176, H01P 130, H01P 706

Patent

active

041278348

ABSTRACT:
A housing with a microwave cavity and an external opening defined therein, a tubular waveguide section affixed in said opening with a tuning rod slideably positioned therein and an outer end affixed to an outer end of a sleeve mounted in surrounding relationship thereto with the inner end of the sleeve affixed to the housing. The sleeve and tuning rod are formed of dielectric material so that temperature changes on the sleeve cause movement of the rod in the cavity and compensate for changes in the resonant frequency of the cavity while the rod and the waveguide cooperate to prevent radiation leakage.

REFERENCES:
patent: 3528042 (1970-09-01), Weinberger
patent: 3529267 (1970-09-01), Gunderson et al.
patent: 3665341 (1972-05-01), Sekine et al.

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