Oscillator

Details Oscillator Oscillator

1976-10-21

1978-07-18

Kominski, John

Oscillators

Solid state active element oscillator

Transistors

361290, 361293, H03B 536

Patent

active

041018486

ABSTRACT:
An oscillator for producing an output signal having a predetermined frequency for use in an electronic timepiece. The oscillator comprises a miniature crystal vibrator having a high resonant frequency, a case housing the crystal vibrator, an integrated circuit comprising an oscillator circuit with the crystal vibrator, and a trimmer condenser for adjusting the high resonant frequency. The trimmer condenser is formed on an external recess portion of said case, and is connected with the crystal vibrator and integrated circuit by a circuit having low stray capacitances. The oscillator is therefor highly insensitive to external electric fields.

REFERENCES:
patent: 3289055 (1966-11-01), Aizawa et al.
patent: 3659165 (1972-04-01), Dome
patent: 3838566 (1974-10-01), O'Connor
patent: 3878408 (1975-04-01), Nemoto
patent: 3909638 (1975-09-01), Teraishi et al.

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