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W-band compact bandpass filters on thin-film substrate

✍ Scribed by Chan-Sei Yoo; Ji-Min Maeng; Nam-Cheol Cheon; Sangsub Song; Kwang-Seok Seo

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
271 KB
Volume
52
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this article, the miniaturized resonator and bandpass filter for W‐band application are suggested and evaluated on thin‐film substrate.In the meanwhile, the resonator using the loading capacitor with the electrical length of 2λ~g~/9 and the other resonator using broadside coupled line structure of λ~g~/9 are designed and applied for the compact filter evaluation. The filter using the capacitor‐loaded resonators with the dimension of 0.2 × 0.5 mm^2^ shows the insertion loss of 2.1 dB at 94 GHz, and the return loss better than 10 dB at the frequencies between 91 and 98 GHz. For the filter using broadside coupled line resonators with the size of 0.33 × 0.24 mm^2^, the insertion loss is 2.3 dB at 92 GHz and the return loss is better than 10 dB in at the frequencies between 85 and 99 GHz. These filters show very compact dimensions retaining the filter performance commensurate with those of the filters in previous works. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 750–753, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25011

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