Design and fabrication of a 180° hybrid ring coupler inserted into a slow-wave structure for MMIC applications using dielectric-supported air-gapped microstriplines

In this paper, we design and fabricate a 180° hybrid ring coupler in order to prove the fabrication possibilities of various passive components, by applying millimeter waves using newly proposed transmission lines, that is, dialectric‐supported air‐gapped microstriplines (DAMLs). In order to reduce...

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Bibliographic Details
Published in:Microwave and optical technology letters 2005-12, Vol.47 (5), p.440-443
Main Authors: Lim, Byeong-Ok, Ko, Baek-Seok, Baek, Tae-Jong, Kim, Sung-Chan, Shin, Dong-Hoon, Rhee, Jin-Koo
Format: Article
Language:English
Subjects:
DAML
dielectric loss
hybrid ring coupler
MEMS
slow-wave structure
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Summary:In this paper, we design and fabricate a 180° hybrid ring coupler in order to prove the fabrication possibilities of various passive components, by applying millimeter waves using newly proposed transmission lines, that is, dialectric‐supported air‐gapped microstriplines (DAMLs). In order to reduce the size of the hybrid ring coupler, we design it with an inserted slow‐wave structure. With this structure, we were able to reduce the hybrid ring coupler's area by 33%. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 440–443, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21194
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.21194