Temperature-controlled crystal oscillator circuit

Details Temperature-controlled crystal oscillator circuit Temperature-controlled crystal oscillator circuit

1990-05-25

1991-06-18

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331176, H03B 536, H03L 102

Patent

active

050252313

ABSTRACT:
A temperature controlled crystal oscillator circuit comprising an amplifier (12) having a feedback path including a crystal (26) and a frequency pulling element (28), and a temperature compensating voltage generating circuit (30) coupled to the frequency pulling element (28). The voltage generating circuit (30) produces a voltage, V.sub.comp, generated in accordance with the following function:

REFERENCES:
patent: 3821665 (1974-06-01), Irwin et al.

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