CMOS current source circuit

Details CMOS current source circuit CMOS current source circuit

1996-01-22

1998-04-28

Wambach, Margaret Rose

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327513, 327404, 323312, 323315, G05F 110

Patent

active

057449996

ABSTRACT:
An improved CMOS current source circuit capable of constantly generating a certain reference voltage irrespective of an analog supplying voltage, a substrate temperature, and a temperature variation, which includes a start unit for driving the CMOS current source circuit in accordance with a start signal; a bias current generating unit driven by the start unit for generating a bias current in accordance with an analog voltage, a substrate voltage, and a temperature variation; a current input unit for inputting a bias current; and a current compensation unit for receiving a bias current through the current input unit and for compensating the bias current in accordance with an analog voltage, a substrate voltage, and a temperature variation and for generating a reference current.

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