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Full-wave design of broad-band compact waveguide step-twists

Rectangular waveguide twists are components that provide an on-axis rotation of the transverse waveguide section. In this letter, a step twist configuration, obtained by the direct connection of rotated rectangular waveguide lengths, is considered. The advantages of this configuration are the easy m...

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Published in:IEEE microwave and wireless components letters 2005-02, Vol.15 (2), p.134-136
Main Authors: Baralis, M., Tascone, R., Olivieri, A., Peverini, O.A., Virone, G., Orta, R.
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container_issue 2
container_start_page 134
container_title IEEE microwave and wireless components letters
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creator Baralis, M.
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Peverini, O.A.
Virone, G.
Orta, R.
description Rectangular waveguide twists are components that provide an on-axis rotation of the transverse waveguide section. In this letter, a step twist configuration, obtained by the direct connection of rotated rectangular waveguide lengths, is considered. The advantages of this configuration are the easy manufacturing with tight control on the relative rotation angles and the reduction of the overall dimensions. By means of a full-wave synthesis approach various wide-band devices were designed and reported in the letter. In particular, a couple of 45/spl deg/ twists was manufactured and integrated in the Ka-band OMT realized for the SPOrt project. The experimental results match the excellent predicted data.
doi_str_mv 10.1109/LMWC.2004.842865
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subjects Apertures
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Full-wave synthesis
Manufacturing
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave devices
Moment methods
rectangular waveguide twists
Rectangular waveguides
Singular value decomposition
singular value decomposition (SVD)
Waveguide components
Waveguide discontinuities
Waveguide junctions
Wideband
title Full-wave design of broad-band compact waveguide step-twists
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