Current mirror circuit assembly

Details Current mirror circuit assembly Current mirror circuit assembly

1987-09-18

1989-10-17

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

323316, 323317, H03F 316

Patent

active

048750182

ABSTRACT:
A current mirror circuit assembly includes a first current mirror circuit formed of an input transistor connected as a diode and a mirror transistor. The input transistor and the mirror transistor have gate terminals connected to one another and output circuits with output terminals. One of the output terminals of each of the input transistor and the mirror transistor are connected to a supply potential. A regulating transistor has an output circuit connected in series with the output circuit of the mirror transistor. A second current mirror circuit is formed of transistors with output circuits. Other transistors are controlled by the other of the output terminals of a respective one of the input transistor and the mirror transistor. One of the other transistors is fed back to the regulating transistor and the other transistors are connected to the output circuits of the transistors of the second current mirror circuit.

REFERENCES:
patent: 3904976 (1975-09-01), Ahmed
patent: 4423387 (1983-12-01), Sempel
Patent Abstracts of Japan, vol. 3, No. 155, (E-160) Dec. 19, 1979, p. 128 E 160.

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