NDLI: Design of a Traveling-Wave Slot Array Power Divider Using the Method of Moments and a Genetic Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Rengarajan, S.R. Lynch, J.J.
Copyright Year	1963
Abstract	A 1-to-25-way uniform amplitude and linear phase power divider, using slotted rectangular waveguides in the traveling-wave mode, is designed to cover the 71-77-GHz band. The design employs the scattering parameters of three-port couplers computed from the method of moments (MoM) solution to the integral equation of the slot aperture field. Subsequent genetic algorithm (GA) optimization is aimed at maximizing the return loss and combining efficiency and flatness of coupling amplitudes in the whole frequency band. GA utilizes the MoM solution to the coupled integral equations of slot apertures in the entire power divider structure. Simulations indicate the optimized power divider yielding better than 26-dB return loss and greater than 86% efficiency in the 71-77-GHz band for the power divider combiner connected back to back. Computed MoM results have been validated by the commercial code HFSS and also by experimentally measured results. The measured insertion loss of two back-to-back divider-combiners is about 2 dB.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	3981
Ending Page	3987
Page Count	7
File Size	1138900
File Format	PDF
ISSN	00189480
Volume Number	63
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power dividers Method of moments Couplings Couplers Genetic algorithms Ports (Computers) Arrays traveling wave Genetic algorithm optimization method of moments power combiner power divider slot array slotted waveguide
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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