CMOS circuit for generating a current reference, the circuit com

Details CMOS circuit for generating a current reference, the circuit com CMOS circuit for generating a current reference, the circuit com

1999-09-29

2000-12-26

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

323316, G05F 110

Patent

active

061665878

ABSTRACT:
A current reference generator comprises a pair of identical units (G1, G2) which generate respective current references (I1, I2), and a circuit (CL) for the linear combination of the two references. In each of the two units, the elements (S1, S2) which, by their current-voltage characteristics, determine the working point comprise respectively a single transistor (T1) and a pair of transistors (T2, T3), of the same type as the first, connected in series. A differential amplifier (AD) maintains stable the working point of the respective unit as power supply voltage varies. (FIG. 2)

REFERENCES:
patent: 5939933 (1999-08-01), Wang
patent: 6031414 (2000-02-01), Kitamura
"CMOS Analog Circuit Design" Phillip E.Allen et al, Holt,Rinehart and Winston the Deyden Press, Saunders College Publ. 14 pages.
"CMOS Current Reference Without Resistance", Henri J.Oguey, IEEE Journal of solid-state circuits. vol.32, No. 7,Jul. 1997, 4 pages.

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