Wide-band impedance characteristics of finite-ground uniform and stepped coplanar waveguides

Using the extended Heinrich equations for computing the per-unit-length resistance and inductance of coplanar waveguides (CPWs), we have studied the wide-band impedance characteristics of various finite-ground uniform and stepped CPWs. Finite-ground CPWs are frequently used in the design of CPW-base...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2004-09, Vol.40 (5), p.3394-3401
Main Authors: YIN, Wen-Yan, DONG, Xiaoting, YEOW BENG GAN
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity
Coplanar waveguides
Devices
Equations
Exact sciences and technology
Frequency
Frequency ranges
Impedance
Inductance
Magnetic properties and materials
Magnetism
Mathematical analysis
Metallization
Microwave devices
Microwaves
Millimeter wave devices
Physics
Stepped
Wideband
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Summary:Using the extended Heinrich equations for computing the per-unit-length resistance and inductance of coplanar waveguides (CPWs), we have studied the wide-band impedance characteristics of various finite-ground uniform and stepped CPWs. Finite-ground CPWs are frequently used in the design of CPW-based microwave and millimeter-wave devices. For various physical parameters, in particular the metallization thickness and its conductivity, we examined both resistance and inductance over a wide frequency range. Our work can serve as a basis for further study of the energy dissipation of the devices in the excitation of a high-power pulse.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2004.833292