Voltage follower circuit

Details Voltage follower circuit Voltage follower circuit

1976-08-10

1978-07-25

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

330293, 330310, H03F 318, H03F 134

Patent

active

041032489

ABSTRACT:
A voltage follower circuit comprises an input terminal; an output terminal; first and second power supply terminals; a first transistor of one conductivity type having a base connected to the input terminal; a second transistor, opposite in conductivity type to the first transistor, having a base connected to the collector of the first transistor, a collector connected to the output terminal and an emitter connected to the first power supply terminal; a third transistor having a base and collector connected to the output terminal and an emitter connected to the emitter of the first transistor; a fourth transistor of the one conductivity type having an emitter connected to the second power supply terminal; and a fifth transistor of the one conductivity type having an emitter and base respectively connected to the emitter and base of the fourth transistor and a collector connected to the base of the fourth transistor and to the first power supply terminal through a resistor.

REFERENCES:
patent: 3760288 (1973-09-01), Leonard
patent: 3849735 (1974-11-01), Haenen et al.

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