Temperature-compensated crystal oscillator

Details Temperature-compensated crystal oscillator Temperature-compensated crystal oscillator

1981-02-20

1983-10-25

Grimm, Siegfried H.

Oscillators

Frequency stabilization

Temperature or current responsive means in circuit

331 66, H03B 536, H03L 102

Patent

active

044121881

ABSTRACT:
A frequency regulated crystal oscillator with (1) an oscillating circuit made up of an amplifier, piezoelectric crystal and voltage controls capacitor, and (2) a two-part compensating circuit connected to the terminals of the variable capacitor, each part having thermistors whose resistance varies with temperature to produce complementary signals and which are shunted with electrical resistors.

REFERENCES:
patent: 3397367 (1968-08-01), Steel et al.
patent: 3454903 (1969-07-01), Page
patent: 4020426 (1977-04-01), Helle
patent: 4107629 (1978-08-01), Stone, Jr.

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