Voltage supplying apparatus

Details Voltage supplying apparatus Voltage supplying apparatus

2006-08-22

2006-08-22

Riley, Shawn (Department: 2838)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

07095270

ABSTRACT:
A voltage supplying apparatus is provided for supplying an output voltage to an electronic circuit. The electronic circuit includes a first voltage-drop device. The voltage supplying apparatus includes a current source for supplying a constant current, a second voltage-drop device, and a regulator. The second voltage-drop device is coupled with the current source and has the same feature in process deviation with the first voltage-drop device. The regulator for stabilizing the output voltage includes a voltage input terminal and a voltage output terminal. The voltage input terminal is coupled with the current source and has a first voltage corresponding to the output voltage. The voltage output terminal provides the output voltage and a corresponding output current. When the output current is deviated due to the process deviation of the first voltage-drop device, the first voltage will be shifted accordingly to offset the output current deviation.

REFERENCES:
patent: 5488288 (1996-01-01), Elmer

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