DESIGN OF AN ULTRA-WIDEBAND POWER DIVIDER VIA THE COARSE-GRAINED PARALLEL MICRO-GENETIC ALGORITHM

An ultra-wideband (UWB) power divider is designed in this paper. The UWB performance of this power divider is obtained by using a tapered microstrip line that consists of exponential and elliptic sections. The coarse grained parallel micro-genetic algorithm (PMGA) and CST Microwave Studio are combin...

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Bibliographic Details
Published in:Electromagnetic waves (Cambridge, Mass.) Mass.), 2012-01, Vol.124, p.425-440
Main Authors: Chang, L, Liao, C, Chen, L.-L, Lin, W.B, Zheng, X, Wu, Y.-L
Format: Article
Language:English
Subjects:
Circuit design
Design and construction
Dividers (Electronics)
Engineering research
Genetic algorithms
Methods
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Summary:An ultra-wideband (UWB) power divider is designed in this paper. The UWB performance of this power divider is obtained by using a tapered microstrip line that consists of exponential and elliptic sections. The coarse grained parallel micro-genetic algorithm (PMGA) and CST Microwave Studio are combined to achieve an automated parallel design process. The method is applied to optimize the UWB power divider. The optimized power divider is fabricated and measured. The measured results show relatively low insertion loss, good return loss, and high isolation between the output ports across the whole UWB (3.1-10.6 GHz).
ISSN:1559-8985
1070-4698
1559-8985
DOI:10.2528/PIER11120517