Circuit and method for temperature compensation

Details Circuit and method for temperature compensation Circuit and method for temperature compensation

2007-02-27

2007-02-27

Pascal, Robert (Department: 2817)

Oscillators

Frequency stabilization

Temperature or current responsive means in circuit

C331S044000, C331S066000

Reexamination Certificate

active

11147026

ABSTRACT:
In the present invention, a temperature compensation circuit is provided. The temperature compensation circuit includes a first oscillator for providing a first clock signal, a timer electrically connected to the first oscillator for clocking a specific time period, a voltage regulator for generating a constant voltage, a second oscillator electrically connected to the voltage regulator for providing a second clock signal, and a counter electrically connected to the second oscillator for counting within the specific time period based on the second clock signal so as to obtain a counting value, and thereby a frequency of the second oscillator is obtained for the temperature compensation.

REFERENCES:
patent: 5525936 (1996-06-01), Post et al.
patent: 6167527 (2000-12-01), Little et al.
patent: 2006/0170398 (2006-08-01), Gangsto et al.

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