Corporate amplifier apparatus with improved degradation

Details Corporate amplifier apparatus with improved degradation Corporate amplifier apparatus with improved degradation

1982-04-01

1984-03-27

Mullins, James B.

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

330286, 330298, H03F 368

Patent

active

044397402

ABSTRACT:
A corporate amplifier is defined as and includes a plurality of N amplifier modules where N is a positive integer that is greater than one. The plurality of amplifier modules are driven by a power splitter which takes a signal that is to be amplified and divides it into N equal amplitude components. Each component is applied to a member of the plurality of N amplifier modules for amplification. The outputs of the power amplifier modules are combined by a power combiner that has N input terminals with each input terminal being connected to an output terminal of a member of the plurality of N amplifier modules. A fault detector detects failure of one or more of the plurality of N amplifier modules and provides a fault signal indicating thereby a failed amplifier module. A compensation circuit compensates both the power splitter and the power combiner means so that if a fault is detected in one or more of the plurality of N amplifier modules the performance of the corporate amplifier will be optimized.

REFERENCES:
patent: 3753138 (1973-08-01), Svendsen
patent: 4010426 (1977-03-01), Rambo
patent: 4064464 (1977-12-01), Morse
patent: 4315222 (1982-02-01), Saleh
Adel A. M. Saleh, "Improving the Graceful Degradation Performance of Combined Power Amplifiers," IEEE Transactions of Microwave Theory and Techniques, vol. MTT-28, Oct. 10, 1980, pp. 1068-1070.

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