Push-pull oscillator circuit with power combining cavity

Oscillators – With distributed parameter resonator – Coaxial or shielded line type

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331 56, H03B 714

Patent

active

040901521

ABSTRACT:
A high power output push-pull microwave oscillator utilizing a plurality of tuned coaxial circuits each mounting a diode at each of two extremities and each being coupled to an output cavity of resonant frequency, f.sub.o, equal to the operating frequency. An equal plurality of second cavities, also resonant at f.sub.o are coupled to bias lines one-fourth wavelength from each of the plurality of tuned coaxial circuits to reflect a short circuit across a tee junction built into the center conductor of each coaxial circuit at the resonant frequency, f.sub.o, when the diodes are in a push-pull or out-of-phase operating mode. The short circuit is removed when the diodes operate in an in-phase mode and the resultant losses effectively suppress the in-phase mode of operation.

REFERENCES:
patent: 3605034 (1971-09-01), Rucker
patent: 4034314 (1977-07-01), Dydyk

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