Current mirror circuit

Details Current mirror circuit Current mirror circuit

1988-07-14

1990-01-30

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

323316, 330288, H03F 345

Patent

active

048976148

ABSTRACT:
A current mirror circuit comprises first, second and third transistors of same conductivity type. The emitter electrodes of the first and second transistors are connected to the power source terminal, and the base electrodes thereof are connected in common. An input current is supplied to the collector electrode of the first transistor. The emitter electrode of the third transistor is connected to the common connection of the first and the second transistors, and the base electrode thereof is connected to the collector electrode of the first transistor. A resistor is connected between the base and the collector electrodes of the first transistor.

REFERENCES:
patent: 3995229 (1976-11-01), Stehlin et al.

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