Accession Number:

ADD002318

Title:

RF Power Amplifier Parallel Redundant System.

Descriptive Note:

Patent Application,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s):

• Rambo,Sheldon I.

Report Date:

1975-11-12

Pagination or Media Count:

9.0

Abstract:

The patent application relates to an RF power amplifier parallel redundant circuit which 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.

Descriptors:

• *Radiofrequency amplifiers
• Patents
• Redundant components
• Reliability(Electronics)
• Parallel processing
• Switching
• Phase shift
• Comparators

Subject Categories:

• Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE