A Turnstile Quad-Ridge Orthomode Transducer (OMT) for Octave-Bandwidth Receiver Front-Ends (24-51 GHz)

We report on the design, fabrication, and measured results of a turnstile quad-ridge orthomode transducer (OMT) suitable for millimeter-wavelength receivers used in radio telescopes for astronomy. The quad-ridge OMT is directly compatible with a quad-ridge feed horn to implement dual-polarization lo...

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Bibliographic Details
Published in:	IEEE transactions on microwave theory and techniques Vol. 71; no. 11; pp. 1 - 16
Main Authors:	Henke, Doug, Kelly, Neal, Marshall, Kyle, Wevers, Ivan, Knee, Lewis B. G.
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.11.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> Q</tex-math> </inline-formula>-band Bandwidth Bandwidths Double-ridge waveguide Dual polarization (waves) Feeds Insertion loss octave bandwidth orthomode transducer (OMT) Polarization Q-band quad-ridge waveguide quad-ridge waveguide turnstile junction Radio astronomy Radio telescopes Receivers Receivers & amplifiers Rectangular waveguides ridge waveguide Transducers Waveguide components Waveguide junctions wide bandwidth receivers
ISSN:	0018-9480, 1557-9670, 1557-9670
Online Access:	Get full text
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