Supply voltage-independent reference voltage circuit

Details Supply voltage-independent reference voltage circuit Supply voltage-independent reference voltage circuit

1994-06-23

1999-09-21

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

327542, 327543, G05F 302

Patent

active

059558741

ABSTRACT:
A reference voltage circuit is disclosed that is independent of the voltage supply as well as substantially insensitive to process and temperature variations. The reference voltage circuit includes an intrinsic transistor circuit which includes a plurality of intrinsic transistors of equal size. The intrinsic transistor circuit is coupled to a current mirror circuit, and a plurality of threshold transistors. In so doing, a reference voltage circuit is provided that is substantially independent of process and temperature variations. In addition, by grounding the source connections of the plurality of threshold transistors, the reference voltage circuit output voltage also is substantially independent of supply voltage variations.

REFERENCES:
patent: 5304862 (1994-04-01), Memida
Paul R. Gray and Robert G. Meyer, 1977 Analysis and Design of Analog Integrated Circuits second edition Published simultaneously in Canada, 1977.

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