Very high frequency quartz oscillator

Details Very high frequency quartz oscillator Very high frequency quartz oscillator

1984-10-11

1987-02-24

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331158, 331177V, H03B 536

Patent

active

046460349

ABSTRACT:
The invention concerns a very high frequency quartz oscillator. The feedback loop of the oscillator comprises a compensation network of a quartz at the frequency of the oscillator, and a low-pass filter eliminating the frequencies lower than that of the oscillator. A power divider having two branches allows to send the signal issuing from the feedback loop, on the one hand, to the amplifier input of the oscillator and, on the other hand, to the output amplifier. Two-port networks Q.sub.1 to Q.sub.6 match the impedances at the input and at the output of the amplifier of the oscillator, of the feedback loop and of the output amplifier.

REFERENCES:
patent: 2683810 (1954-07-01), Mortley
patent: 3875533 (1975-04-01), Irwin et al.
patent: 4378532 (1983-03-01), Burgoon
Microwave Journal, vol. 25, No. 2, Feb. 1982, S. Neylon: "Hybrid Saw Oscillators", pp. 91-93.
L'Onde Electrique, vol. 46, No. 466, Jan. 1966, P. Vovelle: "Une Nouvelle Application des Quartz: Les Oscillateurs a Frequence Controlee", pp. 105-110.

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