Low power temperature compensated crystal oscillator

Details Low power temperature compensated crystal oscillator Low power temperature compensated crystal oscillator

1994-11-29

1996-01-02

Grimm, Siegfried H.

Oscillators

Electromechanical resonator

Crystal

331176, 331177V, 331186, H03L 102

Patent

active

054812291

ABSTRACT:
A temperature compensated crystal oscillator (10), has a crystal oscillator circuit (12), a voltage controlled reactance element (30), a temperature compensation network (50), and a programmable DC-DC converter network (60) having an output (62) connected to the voltage controlled reactance element (30), or the temperature compensation network (50) or both. The DC-DC converter network (60) provides the capability of operating over an extended voltage range, by increasing the supply voltage to a level necessary to operate the voltage controlled reactance element (30). Much of this structure is adapted for use in an integrated circuit, and provides the advantages of minimizing power and current consumption.

REFERENCES:
patent: 4560959 (1985-12-01), Rokos et al.

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