Amplifier

Details Amplifier Amplifier

1980-09-17

1982-10-26

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including particular biasing arrangement

330288, H03F 304

Patent

active

043564550

ABSTRACT:
An amplifier circuit in which the non-linear distortion of the amplifier transistors caused by non-linear base-emitter input and output characteristics is eliminated without the use of negative feedback. A first transistor and a second transistor of opposite conductivity type are coupled with the output of the first transistor connected to the base of the second transistor and with an input signal applied to the base of the first transistor. Currents are applied to the first and second transistors, such as with the current mirror circuit, in such a manner that the ratio of the currents is a predetermined constant value. Bias voltages are applied to the circuit such that the ratio of the collector-emitter voltage of the first transistor to the collector-emitter voltage of the second transistor is the reciprocal of the predetermined constant value.

REFERENCES:
patent: 3450998 (1969-06-01), Greefkes et al.

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