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Surface-Wave Losses of Coplanar Transmission Lines

Kasilingam, Dayalan P. and Rutledge, David B. (1983) Surface-Wave Losses of Coplanar Transmission Lines. In: 1983 IEEE MTT-S International Microwave Symposium Digest. IEEE , New York, NY, pp. 113-116. ISBN 0149-645X http://resolver.caltech.edu/CaltechAUTHORS:20120626-130003437

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Abstract

Coplanar transmission lines lose energy to surface waves when the propagation constant of the surface-wave mode exceeds that of the transmission line. This happens when the substrate thickness is an appreciable fraction of a wavelength. The losses should become important in integrated circuits at near-millimeter wavelengths because it is hard to make the substrate thickness small compared to a wavelength. In this paper we have developed a theory based on reciprocity for predicting these losses. We also utilized the quasi-static approximation method to derive expressions for propagation constants and line impedances. Experimental measurements were made for the surface-wave losses in the two strip line, the two slot line and the three wire line, and the results obtained were consistent with the theory.


Item Type:Book Section
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http://dx.doi.org/10.1109/MWSYM.1983.1130827DOIUNSPECIFIED
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=1130827PublisherUNSPECIFIED
Additional Information:© 1983 IEEE. Date of Current Version: 14 June 2010. This research was supported by Army Research Office.
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Army Research Office (ARO)UNSPECIFIED
Record Number:CaltechAUTHORS:20120626-130003437
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120626-130003437
Official Citation:Kasilingam, D.P.; Rutledge, D.B.; , "Surface-Wave Losses of Coplanar Transmission Lines," Microwave Symposium Digest, 1983 IEEE MTT-S International , vol., no., pp.113-116, May 31 1983-June 3 1983 doi: 10.1109/MWSYM.1983.1130827 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1130827&isnumber=25099
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32102
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:26 Jun 2012 20:44
Last Modified:26 Dec 2012 15:23

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