Vol. 56

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2015-09-11

A Novel Compact Tri-Band Bandpass Filter Based on Dual-Mode CRLH-TL Resonator and Transversal Stepped-Impedance Resonator

By Hailin Cao, Mao Yi, Huan Chen, Jsianshuo Liang, Yantao Yu, Xiaoheng Tan, and Shizhong Yang
Progress In Electromagnetics Research Letters, Vol. 56, 53-58, 2015
doi:10.2528/PIERL15080403

Abstract

A novel compact tri-band band-pass filter (BPF) with transversal signal interaction concepts, based on composite right/left-handed transmission lines (CRLH-TLs) resonator and parallel stepped impedance resonator (SIR), is presented. The main path is based on a dual-mode CRLH-TL resonator, which exhibits the first two passbands. The secondary path is a SIR, which contributes to the third passband and generates another transmission zero between the first and second passbands simultaneously. The proposed filter has been simulated, fabricated and measured. Both the simulated and measured results show that the filter has a high selectivity with a compact size as small as 0.18λg×0.12λg.

Citation


Hailin Cao, Mao Yi, Huan Chen, Jsianshuo Liang, Yantao Yu, Xiaoheng Tan, and Shizhong Yang, "A Novel Compact Tri-Band Bandpass Filter Based on Dual-Mode CRLH-TL Resonator and Transversal Stepped-Impedance Resonator," Progress In Electromagnetics Research Letters, Vol. 56, 53-58, 2015.
doi:10.2528/PIERL15080403
http://jpier.org/PIERL/pier.php?paper=15080403

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