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Synthesis of tapered transmission lines with characteristic impedance optimization
Author(s) -
VicenteLozano Manuel,
AresPena Francisco,
MorenoPiquero Eduardo
Publication year - 2000
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/(sici)1098-2760(20000220)24:4<277::aid-mop20>3.0.co;2-p
Subject(s) - reflection coefficient , characteristic impedance , electrical impedance , transmission line , transmission coefficient , microwave , simulated annealing , smoothness , reflection (computer programming) , electric power transmission , electronic engineering , materials science , transmission (telecommunications) , optics , mathematical analysis , mathematics , engineering , electrical engineering , physics , mathematical optimization , telecommunications , computer science , programming language
A method to design a tapered transmission line with desired behavior in the reflection coefficient and with a smooth impedance transition from the feeding line to the load is presented. The method optimizes an objective function through the simulated annealing technique by perturbing the roots associated with the expression of the approximated reflection coefficient. The obtained results show the capabilities of the method in reducing the percentage of loss of the taper length, and also in improving the smoothness of the final characteristic impedance. ©2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 24: 277–281, 2000.