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2022-10-08
A Miniaturized Reconfigurable Quad-Band Bandpass Filter with W-Shaped SIRs
By
Progress In Electromagnetics Research M, Vol. 114, 1-12, 2022
Abstract
A novel quad-band bandpass filter (BPF) consisting of two deformed W-shaped microstrip Stepped-Impedance Resonators (SIRs) with different dimensions is proposed. The W-shaped SIRs are miniaturized from E-shaped SIRs, and each one of the SIRs generates two passbands, and thus four passbands centered at 3.18 GHz, 4.51 GHz, 5.46 GHz, and 8.43 GHz with fractional bandwidth of 6.7%, 9.1%, 8.4%, and 8.2% were obtained. Compared with the basic SIR structures and E-shaped structures, the effective area of the miniaturized SIR is reduced by more than 60% and 20%, respectively. The operating frequency bands can be determined by switching the diodes that are connected to the cross coupling lines of the two SIRs. The improved design can be used for 5G and other applications.
Citation
Ren Wang Tao Tang Melad M. Olaimat Yuanzhi Liu Omar M. Ramahi Zhu Jin , "A Miniaturized Reconfigurable Quad-Band Bandpass Filter with W-Shaped SIRs ," Progress In Electromagnetics Research M, Vol. 114, 1-12, 2022.
doi:10.2528/PIERM22061902
http://www.jpier.org/PIERM/pier.php?paper=22061902
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