Compact triple‐band bandpass filter using pseudointerdigital trisection stepped impedance resonators | Zendy

Chen FuChang | Zendy; Chu QingXin | Zendy

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Compact triple‐band bandpass filter using pseudointerdigital trisection stepped impedance resonators

Author(s) -

Chen FuChang,

Chu QingXin

Publication year - 2008

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.23691

Subject(s) - band pass filter , resonator , electrical impedance , microwave , filter (signal processing) , physics , acoustics , materials science , electronic engineering , optoelectronics , electrical engineering , engineering , optics , telecommunications

This letter presents a compact triple‐band bandpass filter using pseudointerdigital trisection stepped impedance resonators (SIR). By tuning the impedance ratio and physical length of trisection SIRs, the BPF has good triple‐band performances at 1.57‐/2.45‐/5.25‐GHz and high isolation among the three passbands. It is shown that the triple‐band bandpass filter has a small size in comparison of previous works. Good agreement is shown between the simulated and measured results. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2462–2465, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23691

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