Complementary field effect transistor amplifier

Details Complementary field effect transistor amplifier Complementary field effect transistor amplifier

1976-08-23

1977-07-26

Mullins, James B.

Amplifiers

Modulator-demodulator-type amplifier

330 22, 330 35, 330 40, H03F 3185

Patent

active

040386074

ABSTRACT:
The quiescent current of a class A biased complementary field effect transistor amplifier is regulated by a bias network coupled to the gate electrodes of the output transistors which provides an offset voltage therebetween. When the amplifier supply voltage exceeds a minimum value, the bias network increases the offset voltage. Parameters of the network may be selected such that the change in offset voltage is greater than, less than or equal to the change in supply voltage. In the latter case the quiescent current is constant and the quiescent power dissipation is linearly related to the supply voltage.

REFERENCES:
patent: 3921089 (1975-11-01), Tsurushima
patent: 3974455 (1976-08-01), Kamimura et al.
patent: 3997849 (1976-12-01), Thommen

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