Wideband coupler for butler matrix antenna beamforming

Wideband coupler for butler matrix antenna beamforming

This work focuses on the design of a Wideband Branch Line Coupler (BLC) by using open circuits coupled lines technique. The design is implemented by adding four open circuits coupled lines to the structre of the conventional Branch Line Coupler. The coupler operates at 3.8 GHz with a wideband bandwi...

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Main Author: Sabri, Muataz Watheq Sabri
Format: Thesis
Language:English
Published: 2015
Subjects:
TK5101-6720 Telecommunication
Online Access:http://eprints.utm.my/id/eprint/48788/25/MuatazWatheqSabriMFKE2015.pdf
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spelling my-utm-ep.487882020-06-24T00:38:45Z Wideband coupler for butler matrix antenna beamforming 2015-01 Sabri, Muataz Watheq Sabri TK5101-6720 Telecommunication This work focuses on the design of a Wideband Branch Line Coupler (BLC) by using open circuits coupled lines technique. The design is implemented by adding four open circuits coupled lines to the structre of the conventional Branch Line Coupler. The coupler operates at 3.8 GHz with a wideband bandwidth of 1.66 GHz, in which the fractional bandwidth is 43.69%. Then the proposed design was implemented using CST microwave tool and the simulation results of the S-parameters obtained from CST microwave simulated achieving a coupling factor of -3d and 0 phase diffrence between the two output port at the frequency of 3.8 GHz , the fabrication process and the experiment results of the proposed prototype wideband BLC was discussed and compared. The simulated results, and the measured results similar with wider bandwidth of 1.62 GHz and fractional bandwidth of 42.63% with reducation size of 28.2%. 2015-01 Thesis http://eprints.utm.my/id/eprint/48788/ http://eprints.utm.my/id/eprint/48788/25/MuatazWatheqSabriMFKE2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:87898 masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TK5101-6720 Telecommunication
spellingShingle TK5101-6720 Telecommunication
Sabri, Muataz Watheq Sabri
Wideband coupler for butler matrix antenna beamforming
description This work focuses on the design of a Wideband Branch Line Coupler (BLC) by using open circuits coupled lines technique. The design is implemented by adding four open circuits coupled lines to the structre of the conventional Branch Line Coupler. The coupler operates at 3.8 GHz with a wideband bandwidth of 1.66 GHz, in which the fractional bandwidth is 43.69%. Then the proposed design was implemented using CST microwave tool and the simulation results of the S-parameters obtained from CST microwave simulated achieving a coupling factor of -3d and 0 phase diffrence between the two output port at the frequency of 3.8 GHz , the fabrication process and the experiment results of the proposed prototype wideband BLC was discussed and compared. The simulated results, and the measured results similar with wider bandwidth of 1.62 GHz and fractional bandwidth of 42.63% with reducation size of 28.2%.
format Thesis
qualification_level Master's degree
author Sabri, Muataz Watheq Sabri
author_facet Sabri, Muataz Watheq Sabri
author_sort Sabri, Muataz Watheq Sabri
title Wideband coupler for butler matrix antenna beamforming
title_short Wideband coupler for butler matrix antenna beamforming
title_full Wideband coupler for butler matrix antenna beamforming
title_fullStr Wideband coupler for butler matrix antenna beamforming
title_full_unstemmed Wideband coupler for butler matrix antenna beamforming
title_sort wideband coupler for butler matrix antenna beamforming
granting_institution Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department Faculty of Electrical Engineering
publishDate 2015
url http://eprints.utm.my/id/eprint/48788/25/MuatazWatheqSabriMFKE2015.pdf
_version_ 1747817472052953088

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