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2000•Microwave and Optical Technology LettersRequires access

Analysis of broadside-coupled asymmetric coplanar waveguide with one lateral ground plane

Adnan G�r�r, Ceyhun Karpuz

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Abstract

CAD-oriented analytic formulas for calculating the quasistatic TEM parameters of a broadside-coupled open and dielectric-overlayed asymmetric coplanar waveguide (BC ACPW) with one lateral ground plane are obtained using the conformal mapping method (CMM) which can provide accurate and fast calculations. The effect of the dielectric overlays on the mode velocity ratio and coupling coefficient are presented and discussed. The accuracy of the closed-form expressions has been confirmed by comparison with results available in the literature for broadside-coupled dielectric-overlayed CPW and broadside-coupled micro CPW. ©2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 24: 298–303, 2000.

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What this paper is about

CAD-oriented analytic formulas for calculating the quasistatic TEM parameters of a broadside-coupled open and dielectric-overlayed asymmetric coplanar waveguide (BC ACPW) with one lateral ground plane are obtained using the conformal mapping method (CMM) which can provide accurate and fast calculations. The effect of the dielectric overlays on the mode velocity ratio and coupling coefficient are presented and discussed. The accuracy of the closed-form expressions has been confirmed by comparison with results available in the literature for broadside-coupled dielectric-overlayed CPW and broadside-coupled micro CPW. ©2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 24: 298–303, 2000.

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Available abstract

CAD-oriented analytic formulas for calculating the quasistatic TEM parameters of a broadside-coupled open and dielectric-overlayed asymmetric coplanar waveguide (BC ACPW) with one lateral ground plane are obtained using the conformal mapping method (CMM) which can provide accurate and fast calculations. The effect of the dielectric overlays on the mode velocity ratio and coupling coefficient are presented and discussed. The accuracy of the closed-form expressions has been confirmed by comparison with results available in the literature for broadside-coupled dielectric-overlayed CPW and broadside-coupled micro CPW. ©2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 24: 298–303, 2000.

Key concepts: Broadside, Coplanar waveguide, Ground plane, Conformal map, Optics, Dielectric, Microwave, Stripline

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