Design and characterization of elevated CPW and thin film microstrip structures for millimeter-wave applications

Hettak, K., Stubbs, M.G., Elgaid, K. ORCID: https://orcid.org/0000-0003-3265-1097 and Thayne, G. 2006. Design and characterization of elevated CPW and thin film microstrip structures for millimeter-wave applications. Presented at: European Microwave Conference, Paris, France, 4-6 Oct 2005. 2005 European Microwave Conference. IEEE, 10.1109/EUMC.2005.1610067

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Abstract

A new family of low loss series/shunt matching stub structures, based on a CPW/thin film microstrip combination using an MMIC airbridge approach to realize an elevated transmission line, is presented. This airbridge approach to elevate the CPW centre conductor and thin-film microstrip line was developed to achieve low losses in the millimeter-wave frequency band with a wide impedance range. By elevating lines from the substrate, the dielectric loss can be reduced. We achieve high impedance with a lower attenuation level than conventional CPW and low impedance with an air-substrate thin-film microstrip. Experimental results are presented in support of the novel structures.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Engineering
Publisher:	IEEE
ISBN:	2960055128
Last Modified:	04 Nov 2022 12:18
URI:	https://orca.cardiff.ac.uk/id/eprint/122553

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