Amplifiers – With semiconductor amplifying device – Including plural amplifier channels
Patent
1997-12-18
2000-03-14
Lee, Benny
Amplifiers
With semiconductor amplifying device
Including plural amplifier channels
330124R, 330286, H03F 368
Patent
active
060378409
ABSTRACT:
A multicarrier linear RF power amplifier incorporating an improved signal splitter and an improved signal combiner is disclosed. The amplifier comprises a plurality of wedge-shaped amplifier modules. When such modules are radially disposed and abutted against one another, the inwardly facing edges of the modules collectively define a central or axially-located opening. An improved signal splitter, signal combiner, or dual splitter/combiner is advantageously disposed in the axially-located opening. The signal splitter or signal combiner is a conductor arrangement comprising a plurality of equal length conductors radially disposed on a dielectric substrate. The conductor arrangement is advantageously disposed within a suitably-configured housing. The housing is disposed within the axially-located opening.
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Ikeda et al., "A Low Distortion and High Efficiency Parallel-Operation Power Amplifier Combined in Different Phases in Wide Range of Load Impedances," vol. 2, 1996 IEEE MTT-S Int'l Microwave Symp. Dig., San Francisco, Jun. 17, 1996, pp. 535-38.
Martinetti et al., "N-Way Microwave Power Splitter/Combiner," RCA Technical Notes, No. 1359, Oct. 1984, pp. 1-3.
Lee Benny
Lucent Technologies - Inc.
Nguyen Khanh Van
LandOfFree
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