Complementary amplifier circuit

Details Complementary amplifier circuit Complementary amplifier circuit

1980-02-07

1982-01-05

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

331116FE, 330288, H03F 3185, H03B 536

Patent

active

043096654

ABSTRACT:
A complementary amplifier circuit includes a p-channel MISFET and an n-channel MIS connected in series. The gate of the p-channel FET transistor is D.C. biased by a high impedance resistor connected between the gate and drain electrodes, and the gate of the n-channel FET is D.C. biased by a current mirror circuit formed by another n-channel FET. This complementary amplifier circuit has the advantages that the operational lower limit voltage thereof is equal to the threshold voltage of one of the MOSFETs and that stabilized operation of the amplifier is easily obtained.

REFERENCES:
patent: 4100502 (1978-07-01), Yamashiro

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