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http://dx.doi.org/10.5916/jkosme.2009.33.4.562

A Development of Ultra-compact Passive Components Employing Periodic Ground Structure for Silicon RFIC  

Yun, Young (한국해양대학교 전파공학과)
Kim, Se-Ho (한국해양대학교 전파공학과)
Abstract
In this paper, using the periodic ground structure (PGS), highly miniaturized branch-line coupler and impedance transformer were realized on Si radio frequency integrated circuit (RFIC). The branch-line couple exhibited good RF performance from 41.75 to 50 GHz, and its size was $0.46{\times}0.55mm^2$, which is 37 % of conventional one. The impedance transformer exhibited good RF performance from 1 to 40GHz, and its size was $0.01mm^2$, which is 6.99 % of conventional one.
Keywords
Periodic ground structure; RFIC; Branch-line coupler; impedance transformer;
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