Dispersion and leakage characteristics of coplanar waveguides

The dispersion and leakage characteristics of coplanar waveguides are treated using the spectral-domain approach together with the complex residue technique. To handle the complex propagation constant of the coplanar waveguide, the Fourier transform and Parseval's theorem in the complex plane a...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1992-10, Vol.40 (10), p.1970-1973
Hauptverfasser: KE, J E N G-Y I, TSAI, I-S H E N G, CHEN, CHUNH
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container_end_page 1973
container_issue 10
container_start_page 1970
container_title IEEE transactions on microwave theory and techniques
container_volume 40
creator KE, J E N G-Y I
TSAI, I-S H E N G
CHEN, CHUNH
description The dispersion and leakage characteristics of coplanar waveguides are treated using the spectral-domain approach together with the complex residue technique. To handle the complex propagation constant of the coplanar waveguide, the Fourier transform and Parseval's theorem in the complex plane are extended. A number of numerical results, such as the effective dielectric constant and normalized attenuation constant, are presented to illustrate the characteristics of the coplanar waveguide. Sharp peaks just after leakage together with broad peaks are two interesting phenomena observed in the attenuation characteristics. The physical mechanism of these peaks and the details of transition in the epsilon /sub eff/ and alpha /k/sub 0/ curves are still unclear.< >
doi_str_mv 10.1109/22.159637
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source IEEE Electronic Library (IEL)
subjects Applied sciences
Attenuation
Circuit properties
Coplanar waveguides
Current
Dielectric constant
Dielectric substrates
Dispersion
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Frequency
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Millimeter wave integrated circuits
Propagation constant
Surface waves
title Dispersion and leakage characteristics of coplanar waveguides
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