Current mirror operating under low voltage

Details Current mirror operating under low voltage Current mirror operating under low voltage

1992-06-26

1993-10-12

Voeltz, Emanuel T.

Electricity: power supply or regulation systems

Self-regulating

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

G05F 324

Patent

active

052529100

ABSTRACT:
Disclosed is a current mirror which maintains good performance when the current to be tracked corresponds to a voltage close to the low supply voltage. This current mirror includes a feedback circuit which causes the first transistor of the reference branch of the mirror to track the voltage of the second transistor of the output branch of the mirror.

REFERENCES:
patent: 3936725 (1976-02-01), Schneider
patent: 4029974 (1977-06-01), Brokaw
patent: 4300091 (1981-11-01), Schade, Jr.
patent: 4327321 (1982-04-01), Suzuki et al.
patent: 4471292 (1984-09-01), Schenck et al.
patent: 4550284 (1985-10-01), Sooch
patent: 4618815 (1986-10-01), Swanson
patent: 4897596 (1990-01-01), Hughes et al.
patent: 5012133 (1991-04-01), Hughes

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