Power combiner for use in a radio frequency system and a method

Details Power combiner for use in a radio frequency system and a method Power combiner for use in a radio frequency system and a method

1998-06-10

1999-12-07

Pascal, Robert

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

330124D, H03F 368

Patent

active

059990465

ABSTRACT:
A power combiner including a plurality of phasing transmission lines (122) supporting a set of amplifiers (103-105) coupled thereto, and a plurality of matching transmission lines (123-124). The set of amplifiers (103-105) have a selectable number of amplifiers between a minimum and a maximum value having gain levels between a minimum and a maximum value. Each of the matching transmission lines (123-124) is coupled to one of the phasing transmission lines (122) at one end and coupled to a common node (126) at the other end. Each of the matching transmission (123-124) lines has a characteristic impedance determined according to a function of the minimum and the maximum number of amplifiers in the set of amplifiers (103-105) and the minimum and maximum gain levels in the set of amplifiers (103-105).

REFERENCES:
patent: 3963993 (1976-06-01), Hoffman et al.
patent: 4064464 (1977-12-01), Morse
patent: 4068228 (1978-01-01), Vallas
patent: 5543751 (1996-08-01), Stedman et al.
patent: 5786727 (1998-07-01), Sigmon
patent: 5867060 (1999-02-01), Burkett, Jr. et al.

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