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Synthetic asymptote formula for coupled microstrip line on two layer grounded substrates

✍ Scribed by Wanchun Tang; Wenbo Cai; Zhengyong Yu

Book ID
102949216
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
882 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

This article presents the derivation of simple CAD formula for coupled microstrip line on a grounded substrate of two layers by synthetic asymptote. The formulas are simple, accurate, and give good physical insights to the design properties. By simply introducing an imaginary part in the permittivity of the bottom layer substrate, the formulas in this article can be applied for coupled microstrip line of silicon‐based RFIC. Not only the even and odd mode characteristic impedances, but also the attenuation and propagation constants are compared with numerical results. Good agreements are obtained. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2500–2504, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23763

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