Please use this identifier to cite or link to this item: https://doi.org/10.1002/mmce.20063
Title: Average power-handling capability of the signal line in coplanar waveguides on polyimide and GaAs substrates including the irregular line edge shape effects
Authors: Yin, W.-Y. 
Zhang, Y.
Dong, X. 
Gan, Y.B. 
Keywords: Attenuation
Average power handling capability (APHC)
Distributed parameters
Finite-ground coplanar waveguides (FGCPWs)
Polyimide and GaAs
Thermal model
Issue Date: Mar-2005
Citation: Yin, W.-Y., Zhang, Y., Dong, X., Gan, Y.B. (2005-03). Average power-handling capability of the signal line in coplanar waveguides on polyimide and GaAs substrates including the irregular line edge shape effects. International Journal of RF and Microwave Computer-Aided Engineering 15 (2) : 156-163. ScholarBank@NUS Repository. https://doi.org/10.1002/mmce.20063
Abstract: The average power-handling capability (APHC) of the signal line in finite-ground coplanar waveguides (FGCPWs) on polyimide and GaAs substrates is evaluated in this paper. In our approach, the ohmic loss of metal lines is characterized in different ways, and the effects of an irregular edge shape are also considered. The rise in temperature of the signal line is determined by single- and double-layer thermal models, with the temperature-dependent properties of the thermal conductivity of GaAs material treated appropriately. Parametric studies are carried out to investigate the overall effects of signal-line width, thickness, conductivity, edge-shape angle, and polyimide thickness on APHC. Some possible ways to enhance the APHC of these FGCPWs are also proposed. © 2005 Wiley Periodicals, Inc.
Source Title: International Journal of RF and Microwave Computer-Aided Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/111333
ISSN: 10964290
DOI: 10.1002/mmce.20063
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