RF power amplifier parallel redundant system

Details RF power amplifier parallel redundant system RF power amplifier parallel redundant system

1975-11-12

1977-03-01

Mullins, James B.

Amplifiers

With distributed parameter-type coupling means

330124D, H03F 360

Patent

active

040104265

ABSTRACT:
An RF power amplifier parallel redundant circuit employs three amplifiers. Under normal operation when all three amplifiers are functioning, the output from a comparator holds a 0.degree., 60.degree. two-bit phase shifter in the 60.degree. position. When anyone of the amplifiers or any pair of amplifiers fail, the comparator output causes the two-bit phase shifter to switch to the 0.degree. position. The system holds the power output constant at one-fourth the value of each individual amplifier for single or double failures. Only one simple switching position operation is required.

REFERENCES:
patent: 3953853 (1976-04-01), Carter et al.

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