A novel V-band 90° hybrid using surface micromachining technology

A novel 90° hybrid at the V‐band using surface micromachining technology is designed and measured. It employs a uniplanar structure which is composed of parallel coupled microstrip lines and delay lines. Compared with the conventional hybrids, cascaded parallel coupled lines with delay lines can mak...

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Bibliographic Details
Published inMicrowave and optical technology letters Vol. 48; no. 4; pp. 770 - 771
Main Authors Chun, Young-Hoon, Moon, Ju-Young, Ko, Baek-Seok, Baek, Tae-Jong, Kim, Sung-Chan, Lim, Byoung-Ok, Rhee, Jin-Koo, Shin, Dong-Hoon
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc., A Wiley Company 01.04.2006
Subjects
90° hybrid
delay line
parallel coupled line
RF MEMS
surface micromachining
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Summary:A novel 90° hybrid at the V‐band using surface micromachining technology is designed and measured. It employs a uniplanar structure which is composed of parallel coupled microstrip lines and delay lines. Compared with the conventional hybrids, cascaded parallel coupled lines with delay lines can make the coupling tighter as the number of coupled lines grows. The measured insertion loss is less than 2 dB and the phase imbalance is less than ±5° at 60 GHz. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 770–771, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21470
Bibliography:SRC/ERC program of KOSEF under a program through the MINT Research Center at Dongguk University - No. R11-1999-058-04003-0
ark:/67375/WNG-KXDGP2S8-8
ArticleID:MOP21470
istex:75C57D13B0A54E60D675396996974E32E0723DFC
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.21470