A 90-GHz waveguide variable phase shifter

Pisano, Giampaolo ORCID: https://orcid.org/0000-0003-4302-5681, Savini, Giorgio, Pietranera, Luca, Isaak, Kate (CARDIFF), Johnson, Bradley, Gervasi, Massimo, Piccirillo, Lucio, Maffei, Bruno and Melhuish, Simon (CARDIFF) 2007. A 90-GHz waveguide variable phase shifter. IEEE Microwave and Wireless Components Letters 17 (3) , pp. 208-210. 10.1109/LMWC.2006.890476

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Abstract

A 90-GHz waveguide phase shifter based on a rotating half-wave retarder has been designed, manufactured, and tested. The rotating half-wave- and two external quarter-wave-retarders are made of iris polarizers. The design has been optimized using finite-element analysis (Ansoft HFSS), with measurements made using a millimetre-wave VNA. We achieve a phase shift that is flat to within 0.7/1.2deg over 80-95/75-100GHz

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	Phase shifters; waveguide components.
Publisher:	IEEE
ISSN:	1558-1764
Last Modified:	12 Feb 2023 15:14
URI:	https://orca.cardiff.ac.uk/id/eprint/60361

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