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Design of a stopband-improved UWB filter using a pair of shunt and embedded open stubs

✍ Scribed by Min-Hang Weng; Hon Kuan; Wen-Lang Chen; Chang-Sin Ye; Yan-Kuin Su

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
467 KB
Volume
51
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this letter, an ultrawideband (UWB) bandpass filter (BPF) with an improved stopband has been proposed. The proposed UWB BPF, having a lower passband of 3.5–5.2 GHz and a higher passband of 6.5–9.7 GHz, mainly comprises the parallel‐coupled lines and slot‐line resonator. A wide stopband of the proposed BPF from 10 to 20 GHz can be achieved by using a pair of shunt and embedded open stubs. The proposed UWB BPF is designed, fabricated, and measured. Good agreement with the electro‐magnetic simulation and measurement is demonstrated. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2121–2124, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24556

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