Low voltage current mirror

Details Low voltage current mirror Low voltage current mirror

1980-02-25

1982-05-11

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

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

307297, 330288, G05F 320

Patent

active

043296394

ABSTRACT:
A highly accurate current mirror for IC implementation is comprised of low beta transistors and operates on a low supply voltage by utilizing a bias network with a balance sensing feedback network to control the bias voltage. The output current of one of the mirror transistors is compared with the reference current and the level of the current is then forced to equal the reference by means of the bias voltage adjustment.

REFERENCES:
patent: 3813607 (1974-05-01), Voorman
patent: 3843933 (1974-10-01), Ahmed
patent: 4008441 (1977-02-01), Schade, Jr.

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