A simplified design approach for radial power combiners

It is known that a radial power combiner is very effective in combining a large number of power amplifiers, where high efficiency (greater than 90%) over a relatively wide band can be achieved. However, its current use is limited due to its design complexity. In this paper, we develop a step-by-step...

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Bibliographic Details
Published inIEEE transactions on microwave theory and techniques Vol. 54; no. 1; pp. 247 - 255
Main Authors Fathy, A.E., Sung-Woo Lee, Kalokitis, D.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.01.2006
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Amplifiers
Applied sciences
Binary trees
Circuit properties
Coaxial components
Combiners
Degradation
Design optimization
Design. Technologies. Operation analysis. Testing
Dielectric losses
Electric, optical and optoelectronic circuits
Electromagnetic modeling
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
graceful degradation
High power amplifiers
Integrated circuits
package resonance
Packaging
passive components
Power combiners
radial combiners (RCs)
radial lines
Radiolocalization and radionavigation
Resonance
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Telecommunications
Telecommunications and information theory
Passive component
Performance evaluation
N-way splitters
Radar cross section
Combiners
radial lines
passive components
Modeling
Optimal design
Combiner circuit
Degradation
Three dimensional model
Power combiners
Wide band
radial combiners (RCs)
Electronic packaging
graceful degradation
package resonance
Power amplifier
Damaging
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Summary:It is known that a radial power combiner is very effective in combining a large number of power amplifiers, where high efficiency (greater than 90%) over a relatively wide band can be achieved. However, its current use is limited due to its design complexity. In this paper, we develop a step-by-step design procedure, including both the initial approximate design formulas and suitable models for final accurate design optimization purposes. Based on three-dimensional electromagnetic modeling, predicted results were in excellent agreement with those measured. Practical issues related to the radial-combiner efficiency, its graceful degradation, and the effects of higher order package resonances are discussed here in detail
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2005.860302