✦ LIBER ✦

A compact microstrip UWB BPF with nonuniformly short-circuited CPW resonator

✍ Scribed by H. Chen; Y.-X. Zhang

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 126 KB
Volume: 52
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24859

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✦ Synopsis

Abstract

A novel and compact ultra‐wideband bandpass filter using hybrid microstrip/coplanar waveguide is presented. The proposed filter consists of a single coplanar waveguide with nonuniformly short‐circuited resonator, which is broadside‐coupled to two microstrip open‐circuited stubs on the other side of a common substrate. The measured results show that the filter has a good performance, including a low insertion loss, a group delay variation of less than 0.25 ns within the passband, stop‐band of up to 18.8 GHz at high frequencies, and an out‐of‐band rejection level of below −16.5 dB from 11.4 to 18.8 GHz. ©2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 216–218, 2010; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/mop.24859

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