Abstract

AbstractThe logarithmic periodic transmission line filter has been shown to be an attractive alternative to elliptic function filters when a high rate of cutoff is needed.In this article, it is shown that an improved passband and bandedge response can be obtained if impedances obtained from a Chebyshev prototype are used, and the stopband width increased by shifting the resonant frequencies of the stubs away from the centre frequency in a non‐periodic fashion. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:177–180, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25657

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