Hybrid matrix amplifier systems, and methods for making thermall

Details Hybrid matrix amplifier systems, and methods for making thermall Hybrid matrix amplifier systems, and methods for making thermall

1990-10-09

1991-10-08

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including plural amplifier channels

330286, H03F 368

Patent

active

050557980

ABSTRACT:
A hybrid matrix amplifier system that yields balanced thermal loads with minimal input signal constraints includes an input multiport hybrid coupler system having outputs joined to a plurality of amplifiers, and an output multiport hybrid coupler system joined to the outputs of the amplifiers. The input multiport hybrid coupler system, and the output multiport hybrid coupler system, each include n stages where n is an integer equal to or greater than 1, with each stage including 2.sup.n-1 couplers. These coupler systems may also include strategically-placed phase shifters. Such systems also include N amplifiers where N is equal to 2.sup.n, with N inputs from the outputs of the input multiport hybrid coupler system, and with the outputs of the amplifiers connected as inputs to the output multiport hybrid coupler system. This configuration permits a division of the N amplifiers into two groups that each dissipates substantially the same quantity of heat energy.

REFERENCES:
patent: 4016503 (1977-04-01), Rambo
patent: 4825172 (1989-04-01), Thompson

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