Measured Results on Symmetric Dual-Level Spiral Inductors for RF ICs

Sang-Gug LEE  So-Bong SHIN  Gook-Ju IHM  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E84-C   No.6   pp.845-848
Publication Date: 2001/06/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electronic Components
Keyword: 
spiral inductor,  symmetric,  RF ICs,  quality factor,  

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Summary: 
A completely symmetric dual-level spiral inductor structure is proposed. The symmetry, area efficiency, the size dependence of the coupling factor, and the quality factors of the dual-level inductors are evaluated and compared with that of the single-level. This work demonstrates that, with most RF applications, the dual-level inductors are the better choice than the single-level.