Vol. 44

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2013-09-12

Compact Microstrip UWB Bandpass Filter with Triple-Notched Bands

By Jian Wang, Junding Zhao, Jia-Lin Li, and
Progress In Electromagnetics Research C, Vol. 44, 13-26, 2013
doi:10.2528/PIERC13053103

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 initial microstrip UWB BPF are desired by a variation of genetic algorithm (VGA). Then, triple-notched bands inside the UWB passband are implemented by coupling a square ring short stub loaded resonator (SRSSLR) to the main transmission line of the initial microstrip UWB BPF. The triple-notched bands can be easily generated and set at any desired frequencies by varying the designed parameters of SRSSLR. For verification, a microstrip UWB BPF with triple-notched bands respectively centered at frequencies of 4.3 GHz, 5.8 GHz, and 8.1 GHz is designed and fabricated. Simulated and experimental results are in good agreement.

Citation


Jian Wang, Junding Zhao, Jia-Lin Li, and , "Compact Microstrip UWB Bandpass Filter with Triple-Notched Bands," Progress In Electromagnetics Research C, Vol. 44, 13-26, 2013.
doi:10.2528/PIERC13053103
http://www.jpier.org/PIERC/pier.php?paper=13053103

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