✦ LIBER ✦

Miniaturization interdigital hairpin microstrip bandpass filter

✍ Scribed by Cheng-Hsing Hsu; Hsin-Han Tung; Chen-Kang Hsu

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 197 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24314

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✦ Synopsis

Abstract

A four‐pole elliptic function bandpass filter is designed using compact miniaturized microstrip interdigital hairpin resonator. Miniaturization hairpin resonator is realized by using an interdigital structure having parallel coupled lines. The full‐wave simulator IE3D is used to design the interdigital hairpin resonator and to calculate the coupling coefficient of the basic coupling strictures. The response of the fabricated filters using FR4 substrate is designed at a centre frequency of 1.8 GHz. The compact size and the performance of this class of filter have been demonstrated. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1363–1366, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24314

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