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Author/Affiliation: Hiroyuki Deguchi

Improvement of Transmission Characteristics in Multilayer Dual Band Filter

by Ryosuke Nakano, Yuta Takeuchi, Mikio Tsuji and Hiroyuki Deguchi

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 16–22, 2018; DOI: 10.25046/aj030503

Abstract:

This paper first simplifies the GA-optimized filter structure developed by us. Then the filter structure is modified by introducing slot and conductor stubs, based on electric fields and magnetic currents at resonant and transmission zero points. As a result, return losses in two passband regions are suppressed more than 28 dB, and also insertion loss…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Telecommunications (TEL))