DESIGN AND FABRICATION OF A QUAD-BAND BANDPASS FILTER USING MULTI-LAYERED SIR STRUCTURE | Zendy

RuYuan Yang | Zendy; Cheng-Yuan Hung | Zendy; JiaSheng Lin | Zendy

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DESIGN AND FABRICATION OF A QUAD-BAND BANDPASS FILTER USING MULTI-LAYERED SIR STRUCTURE

Author(s) -

RuYuan Yang,

Cheng-Yuan Hung,

JiaSheng Lin

Publication year - 2011

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier11010606

Subject(s) - fabrication , band pass filter , materials science , electronic engineering , computer science , engineering , medicine , alternative medicine , pathology

In this paper, design and fabrication of a quad- band microstrip bandpass fllter (BPF) using multi-layered stepped impedance resonators (SIRs) structure is proposed. One pair of SIR on the top layer is designed to operate at the 1st and 3rd passbands (1.56/3.57GHz), and the other pair is at 2nd and 4th passbands (2.42/5.23GHz) by tuning the impedance and length ratios of the SIRs. In order to flnd the desired coupling location between the SIRs located on difierent layers and the input/output (I/O) lines, the voltage, current and power wave on the I/O lines are analyzed. It is verifled that the proposed quad-band fllter has good passband performances with an excellent isolation between adjacent bands for GPS, WLAN, and WiMAX applications.

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