Microwave oscillator having feedback coupled through a dielectri

Details Microwave oscillator having feedback coupled through a dielectri Microwave oscillator having feedback coupled through a dielectri

1977-03-01

1978-03-14

Grimm, Siegfried H.

Oscillators

With distributed parameter resonator

331117D, 333 82R, H03B 518

Patent

active

040793419

ABSTRACT:
An apparatus for stabilizing microwave oscillator circuits is disclosed. The apparatus comprises a dielectric resonator positioned in the vicinity of a microwave semiconductive device for completing a feedback path between two electrode circuits of the device. A dielectric spacer is positioned between the resonator and the electrodes for supporting the resonator and controlling the magnitude of coupling between the two electrode circuits. A folded mechanical structure is described wherein the oscillating device and the resonator are located at the fold for improving the frequency stability of the oscillator. The microwave semiconductive device may be a bipolar transistor or a field effect transistor.

REFERENCES:
patent: 2825813 (1958-03-01), Sperling
patent: 2926312 (1960-02-01), Brand et al.
patent: 3611206 (1971-10-01), Miyake et al.
patent: 3840828 (1974-10-01), Linn et al.
patent: 3883824 (1975-05-01), Weiner
patent: 4016506 (1977-04-01), Kofol

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