Voltage follower circuit

Details Voltage follower circuit Voltage follower circuit

1989-04-24

1990-06-12

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307546, 307552, 307553, 307310, 330272, 330288, H04B 110, H03K 326

Patent

active

049335782

ABSTRACT:
A voltage follower circuit is comprised of a plurality of transistors. A first transistor has a base connected to an input terminal and a collector connected to a positive power source terminal. A second transistor of opposite polarity relative to the first transistor has an emitter connected to the emitter of first transistor, and a collector and a base coupled to each other. A third transistor of opposite polarity relative to the first transistor has a base connected to the base of second transistor. A fourth transistor has an emitter connected to the emitter of third transistor, and a collector and a base coupled to each other. A current source is connected at its one end to the first power source terminal and connected at its other end to the collector of fourth transistor. A current mirror circuit is connected at its output port to the collector of second transistor and connected at its input port to the collector of third transistor.

REFERENCES:
patent: 4540951 (1985-09-01), Ozawa et al.
patent: 4591739 (1986-05-01), Nagano
patent: 4620161 (1986-10-01), Tanaka et al.

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