High-efficiency amplifier

Details High-efficiency amplifier High-efficiency amplifier

1990-07-31

1992-04-07

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330294, 330296, H03F 134

Patent

active

051031892

ABSTRACT:
The disclosure concerns a microwave amplifier. To improve the efficiency of an amplifier having a field-effect transistor, an input quadripole and an output quadripole, the voltage applied to the gate is limited to a deviation between the pinch-off voltage V.sub.P and the positive maximum gate voltage V.sub.GS, using a diode of a second order harmonic reverse feedback circuit. Application to microwave circuits.

REFERENCES:
patent: 4467288 (1984-08-01), Strickland

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