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Fabrication of a band‐reject filter using dielectric‐supported air‐gapped microstriplines
Author(s) -
Baek TaeJong,
Ko BaekSeok,
Shin DongHoon,
Kim SungChan,
Lim ByoungOk,
Kim SoonKoo,
Park HyunChang,
Rhee JinKoo
Publication year - 2004
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.20530
Subject(s) - microwave , filter (signal processing) , dielectric , fabrication , signal (programming language) , materials science , electrical engineering , substrate (aquarium) , optoelectronics , line (geometry) , electronic engineering , engineering , physics , telecommunications , computer science , mathematics , medicine , oceanography , alternative medicine , geometry , pathology , programming language , geology
In this paper, we develop a new type of band‐reject filter, which provides the practical usefulness of dielectric‐supported air‐gapped microstriplines. The filter is composed of a signal line of 10‐μm height in order to reduce the substrate dielectric loss and a post of size 20 × 20 μm 2 that supports the signal line. The fabricated band‐ reject filter has a measured reject band of 46.6 dB at 45 GHz and a pass band of 1.7 dB at 60 GHz. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 1–4, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20530
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