Current mirror circuit

Details Current mirror circuit Current mirror circuit

1983-05-02

1984-08-21

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

323315, H03F 304

Patent

active

044672896

ABSTRACT:
A current mirror circuit is disclosed which includes a power supply source, a series circuit of a current source and the collector-emitter path of a first transistor connected between the power supply source and a reference voltage source, a second transistor circuit having a control electrode connected with the base of the first transistor and a main current path connected between the base of the first transistor and the reference voltage source, a third transistor circuit having a control electrode connected with the collector of the first transistor and a main current path one terminal of which is connected with the base of the first transistor, and fourth transistor circuit having a control electrode connected with the base of the first transistor and a main current path one terminal of which is connected with the reference voltage source.

REFERENCES:
patent: 3614645 (1971-10-01), Wheatley, Jr.
patent: 3629691 (1971-12-01), Wheatley, Jr.
patent: 3813607 (1974-05-01), Voorman
patent: 3992676 (1976-11-01), Knight
IBM Technical Disclosure Bulletin, vol. 16, No. 7, Dec. 1973, by G. A. Hellwarth et al.

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