Injection-locked ultra-high frequency solid-state oscillator

Details Injection-locked ultra-high frequency solid-state oscillator Injection-locked ultra-high frequency solid-state oscillator

1977-04-20

1978-07-04

Kominski, John

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

331 96, 331107G, H03B 714

Patent

active

040991440

ABSTRACT:
An injection-locked ultra-high frequency solid-state oscillator employs an injection locking method in which an ultra-high frequency output power from a solid-state oscillator is stabilized by injecting an output signal from another stable oscillator. The signal injected into the solid-state oscillator has an optional frequency low enough as compared to that of the output power from the solid-state oscillator and is supplied through a bias supplying circuit or the like. Injection of such low-frequency signal produces sideband waves around the oscillation-wave from the solid-state oscillator while one of such sideband waves is trapped by a high-Q cavity resonator provided in the vicinity of a solid-state oscillating element of the solid state oscillator. The oscillation wave from the solid-state oscillator becomes low noise with the sideband wave trapped, and the frequency of the oscillation wave from the solid-state oscillator is made variable in obedience to the variation of the injection signal frequency.

REFERENCES:
patent: 3559097 (1971-01-01), Chang et al.
patent: 3588735 (1971-06-01), Chang et al.
patent: 3593193 (1971-07-01), Chang et al.
patent: 3970965 (1976-07-01), Shapiro et al.
patent: 4041412 (1977-08-01), Malone

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