Amplitude stabilized power amplifier

Details Amplitude stabilized power amplifier Amplitude stabilized power amplifier

1976-04-13

1977-12-20

Mullins, James B.

Amplifiers

With distributed parameter-type coupling means

330124R, H03F 360, H03F 368

Patent

active

040644642

ABSTRACT:
An amplitude stabilized power amplifier having a power splitter for dividing the power of an input signal into a predetermined number of channels, a plurality of amplifier modules for amplifying the power of each of the channels divided by the power splitter, and a power combiner for combining the amplified power signals to provide an amplified output signal. One of the channels of the power splitter is provided with a voltage controlled phase shifter whose phase shift is controlled by an operational amplifier which is responsive to a reference voltage and to the amplified output signal of the power combiner such that the signal in the channel provided with the phase shifter operates to limit the efficiency of the power combiner to maintain a power combiner output signal of constant power with respect to the reference voltage.

REFERENCES:
patent: 2808569 (1957-10-01), Morrison
patent: 3248663 (1966-04-01), Jacob
patent: 3711782 (1973-01-01), Perrero et al.
patent: 3909742 (1975-09-01), Cox et al.
patent: 4010426 (1977-03-01), Rambo

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