Multi-frequency dielectric resonator oscillator using parallel f

Details Multi-frequency dielectric resonator oscillator using parallel f Multi-frequency dielectric resonator oscillator using parallel f

1987-02-09

1988-03-22

Grimm, Siegfried H.

Oscillators

With distributed parameter resonator

Parallel wire type

331179, H03B 518

Patent

active

047331992

ABSTRACT:
A switchable, parallel-feedback, multi-frequency dielectric resonator oscillator that generates microwave energy at any of several available frequencies is disclosed. The oscillator includes an amplifier that is operable for oscillation at a frequency determined by a parallel feedback dielectric resonator connected between its output and input terminals, and a switching circuit for selectively connecting any one of a plurality of dielectric resonators to the input terminal of the amplifier. The oscillation frequency of the oscillator is determined by a resonant frequency of whichever of the dielectric resonators is connected to the input terminal of the amplifier through the switching circuit.

REFERENCES:
patent: 3969681 (1976-07-01), Fincke
patent: 4078210 (1978-03-01), Lewis
patent: 4442415 (1984-04-01), Ashida
patent: 4484156 (1984-11-01), Khanna et al.
patent: 4567449 (1986-01-01), Bert et al.

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