Oscillator circuit

Oscillators – With particular source of power or bias voltage

Reexamination Certificate

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Details

C331S111000, C331S175000, C331S074000, C331S17700V

Reexamination Certificate

active

10956114

ABSTRACT:
The oscillator circuit comprises an oscillator including an oscillating transistor through which an oscillating current flows; a first mirror transistor where the source/drain of which is grounded and the drain/source of which is connected to the oscillating transistor in series; a first reference transistor where the source/drain of which is grounded and the drain/source and the gate of which are connected in common to the gate of the first mirror transistor; a second mirror transistor where the source of which is connected to a power line and the drain/source of which is connected to the drain/source of the first reference transistor; and a second reference transistor where the source/drain of which is connected to the power line, the drain/source and the gate of which are connected in common to the gate of the second mirror transistor and the drain/source of which is connected to an external terminal to which an external resistor is connected. The oscillating current is adjusted by adjusting a current flow through the external resistor and the second reference transistor.

REFERENCES:
patent: 5638031 (1997-06-01), Danstrom
patent: 5831486 (1998-11-01), Wehbi
patent: 6377130 (2002-04-01), Haman
patent: 59-027611 (1984-02-01), None
patent: H04-104505 (1992-04-01), None
Low Power 430MHz HFM Oscillator with Disable Nov. 14, 2002.

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