Oscillators – Solid state active element oscillator – Transistors
Patent
1998-03-19
2000-02-01
Grimm, Siegfried H
Oscillators
Solid state active element oscillator
Transistors
331143, 331176, H03K 30231, H03K 3353, H03L 102
Patent
active
060207922
ABSTRACT:
A precision relaxation oscillator with temperature compensation produces a stable clock frequency over wide variations of ambient temperature. The invention has a oscillation generator and two independent current generators. The outputs of the two programmable, independent current generators are combined to provide a capacitor charging current which is independent of temperature. The precision relaxation oscillator with temperature compensation is implemented on a single, monolithic integrated circuit.
REFERENCES:
patent: 3725681 (1973-04-01), Frederiksen
patent: 4255721 (1981-03-01), Wilson, Jr.
patent: 4931750 (1990-06-01), Gontowski
patent: 5870345 (1999-02-01), Stecker
Darmawaskita Hartono
Ellison R. Scott
Nolan James B.
Susak David
Chichester Ronald L.
Grimm Siegfried H
Katz Paul N.
Microchip Technology Inc.
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