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2015-12-07

Design of Compact Microstrip UWB Bandpass Filter with Triple-Notched Bands

By Chengpei Tang and Nian Yang
Progress In Electromagnetics Research Letters, Vol. 58, 9-16, 2016
doi:10.2528/PIERL15072904

Abstract

A new microstrip ultra-wideband (UWB) bandpass filter (BPF) with triple-notched bands is presented in this paper. The circuit topology and its corresponding electrical parameters of the basic microstrip UWB BPF are designed by modified genetic algorithm (MGA). Then, triple-notched bands inside the UWB passband are implemented by coupling a novel triple-mode stepped impedance resonator (SIR) to the main transmission line of the basic microstrip UWB BPF. The triple-notched bands can be easily generated and set at any desired frequencies by varying the designed parameters of triple-mode SIR. For verification, a new microstrip UWB BPF with triple-notched bands respectively centered at frequencies of 4.4 GHz, 5.9 GHz and 8.0 GHz is designed and fabricated. Both simulated and experimental results are provided with good agreement.

Citation


Chengpei Tang and Nian Yang, "Design of Compact Microstrip UWB Bandpass Filter with Triple-Notched Bands," Progress In Electromagnetics Research Letters, Vol. 58, 9-16, 2016.
doi:10.2528/PIERL15072904
http://www.jpier.org/PIERL/pier.php?paper=15072904

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