Cascode current mirror with increased output voltage swing

Details Cascode current mirror with increased output voltage swing Cascode current mirror with increased output voltage swing

1994-06-30

1998-11-10

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323316, G05F 316

Patent

active

058359940

ABSTRACT:
A current mirror employs a voltage drop means in the input current path to set the voltage difference between the gates of the mirror driving FET and the mirror cascode FET. In cases where the voltage difference is chosen to be less than the voltage drop across a diode-connected FET, the current mirror will permit an increased output voltage swing relative to that permitted by a prior art cascode current mirror.

REFERENCES:
patent: 4008441 (1977-02-01), Schade, Jr.
patent: 4327321 (1982-04-01), Suzuki et al.
patent: 4362984 (1982-12-01), Holland
patent: 4983929 (1991-01-01), Real et al.
patent: 5252910 (1993-10-01), Agaesse
Analysis & Design of Analog Integrated Circuits, Second Edition, Gray et al, .COPYRGT. 1984, 709-718.
A Programmable Gain/Loss Circuit, Babaneyhad et al, .COPYRGT. 1987, IEEE, vol. SC-22, #6 Dec. 1987, pp. 1082-1090.

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