Broadband Waveguide Feed for Parabolic Reflectors

The broadband requirement in microwave systems has necessitated attention on components that can operate over frequency ranges far broader than those of standard rectangular waveguides. This paper describes the design and development of an ridged horn to match the waveguide impedance to freespace im...

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Main Author: P. Bhushan Mital
Format: Article
Language:English
Published: Wiley 1994-01-01
Series:Active and Passive Electronic Components
Online Access:http://dx.doi.org/10.1155/1994/53036
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author P. Bhushan Mital
author_facet P. Bhushan Mital
author_sort P. Bhushan Mital
collection DOAJ
description The broadband requirement in microwave systems has necessitated attention on components that can operate over frequency ranges far broader than those of standard rectangular waveguides. This paper describes the design and development of an ridged horn to match the waveguide impedance to freespace impedance so that the horn could be used as a feed for an offset-fed parabolic reflector over a wide band of frequencies, i.e., C and X bands (4.2 to 10.2 GHZ). In the present case, a five stepped chebyshev transformer has been used. Complete design required for horn feed as well for the ridged waveguide components necessary for testing has been carried out. The results obtained are quite encouraging. Good agreement is found between the measured results and theoretical values.
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institution Kabale University
issn 0882-7516
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publishDate 1994-01-01
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series Active and Passive Electronic Components
spelling doaj-art-179f40fb3a204fbdab060b03a374215d2025-02-03T01:01:15ZengWileyActive and Passive Electronic Components0882-75161563-50311994-01-0117191910.1155/1994/53036Broadband Waveguide Feed for Parabolic ReflectorsP. Bhushan Mital0Fellow Member I.E.T.E. (INDIA) CR State College of Engineering, Murthal (Sonepat), 131039, IndiaThe broadband requirement in microwave systems has necessitated attention on components that can operate over frequency ranges far broader than those of standard rectangular waveguides. This paper describes the design and development of an ridged horn to match the waveguide impedance to freespace impedance so that the horn could be used as a feed for an offset-fed parabolic reflector over a wide band of frequencies, i.e., C and X bands (4.2 to 10.2 GHZ). In the present case, a five stepped chebyshev transformer has been used. Complete design required for horn feed as well for the ridged waveguide components necessary for testing has been carried out. The results obtained are quite encouraging. Good agreement is found between the measured results and theoretical values.http://dx.doi.org/10.1155/1994/53036
spellingShingle P. Bhushan Mital
Broadband Waveguide Feed for Parabolic Reflectors
Active and Passive Electronic Components
title Broadband Waveguide Feed for Parabolic Reflectors
title_full Broadband Waveguide Feed for Parabolic Reflectors
title_fullStr Broadband Waveguide Feed for Parabolic Reflectors
title_full_unstemmed Broadband Waveguide Feed for Parabolic Reflectors
title_short Broadband Waveguide Feed for Parabolic Reflectors
title_sort broadband waveguide feed for parabolic reflectors
url http://dx.doi.org/10.1155/1994/53036
work_keys_str_mv AT pbhushanmital broadbandwaveguidefeedforparabolicreflectors