Air-filled square coaxial transmission line and its use in microwave filters

Llamas-Garro, I and Lancaster, M.J. and Hall, P.S. (2005) Air-filled square coaxial transmission line and its use in microwave filters. IEE Proceedings on Microwaves, Antennas and Propagation, 152 (3). pp. 152-159. ISSN 1350-2417

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Identification Number/DOI: 10.1049/ip-map:20041159

A suspended coaxial transmission line with an air propagation medium is presented. The transmission line is made only of metal, thereby avoiding dielectric and radiation losses. Shortcircuit stubs suspend the centre conductor of the coaxial structure which is used in the design of two dual-mode narrowband microwave filters. Stacked layers of copper sheets are used to form the square coaxial transmission line, which has low loss and low dispersion.

Type of Work:	Article
Date:	June 2005 (Publication)
Department:	School of Electronic, Electrical and Computer Engineering
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Institution:	University of Birmingham
Copyright Holders:	IET
ID Code:	134
Refereed:	YES
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