Dielectric measurement based microstrip transmission line

The measurement of complex dielectric properties of materials at radio frequency is very important especially in the research fields, such as material science, microwave circuit design, absorber development, biological research, etc. Dielectric measurement is important because it can provide the ele...

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Main Author:	Ikhsan, Fatin Hamimah
Format:	Thesis
Language:	English English English
Published:	2019
Subjects:	TK7800-8360 Electronics
Online Access:	http://eprints.uthm.edu.my/490/1/24p%20FATIN%20HAMIMAH%20IKHSAN.pdf http://eprints.uthm.edu.my/490/2/FATIN%20HAMIMAH%20IKHSAN%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/490/3/FATIN%20HAMIMAH%20IKHSAN%20WATERMARK.pdf
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spelling	my-uthm-ep.4902021-07-25T07:23:56Z Dielectric measurement based microstrip transmission line 2019-06 Ikhsan, Fatin Hamimah TK7800-8360 Electronics The measurement of complex dielectric properties of materials at radio frequency is very important especially in the research fields, such as material science, microwave circuit design, absorber development, biological research, etc. Dielectric measurement is important because it can provide the electrical and magnetic characteristics of the materials, which proved useful in many research and development fields.The proposed technique present a simple microstrip transmission line method for the broadband radio frequency characterization of dielectric constant of non-dispersive materials. A microstrip line having impedance other than 50 Ω is designed and material under test is used as the substrate. The impedance mismatch between a non-50 Ω characteristic impedance of the microstrip line and 50 Ω coaxial to microstrip connectors generates significant reflection/transmission at the input ports. The mismatch between the input impedance and port is used to extract the dielectric constant of the substrate. For experimental validation, the microstrip trace is sticked on the test substrate which are FR4, Teflon and Roger 5880. During the measurement, the microstrip line is connected to vector network analyser through SMA connectors. It is found that this technique introduce error of 10.83%, 7.53% and 21.32% for FR4, Teflon and Roger 5880 respectively. On the other hand, the comparison with the experimental measurement shows 13.5%, 52.95% and 31.40% of error for FR4, Teflon and Roger 5880 respectively. The future research, can focus on measuring the dielectric properties of dispersive material including its loss factor material based on Kramers-kronig relationship. 2019-06 Thesis http://eprints.uthm.edu.my/490/ http://eprints.uthm.edu.my/490/1/24p%20FATIN%20HAMIMAH%20IKHSAN.pdf text en public http://eprints.uthm.edu.my/490/2/FATIN%20HAMIMAH%20IKHSAN%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/490/3/FATIN%20HAMIMAH%20IKHSAN%20WATERMARK.pdf text en validuser mphil masters Universiti Tun Hussein Onn Malaysia Fakulti Kejuruteraan Elektrik dan Elektronik
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English English English
topic	TK7800-8360 Electronics
spellingShingle	TK7800-8360 Electronics Ikhsan, Fatin Hamimah Dielectric measurement based microstrip transmission line
description	The measurement of complex dielectric properties of materials at radio frequency is very important especially in the research fields, such as material science, microwave circuit design, absorber development, biological research, etc. Dielectric measurement is important because it can provide the electrical and magnetic characteristics of the materials, which proved useful in many research and development fields.The proposed technique present a simple microstrip transmission line method for the broadband radio frequency characterization of dielectric constant of non-dispersive materials. A microstrip line having impedance other than 50 Ω is designed and material under test is used as the substrate. The impedance mismatch between a non-50 Ω characteristic impedance of the microstrip line and 50 Ω coaxial to microstrip connectors generates significant reflection/transmission at the input ports. The mismatch between the input impedance and port is used to extract the dielectric constant of the substrate. For experimental validation, the microstrip trace is sticked on the test substrate which are FR4, Teflon and Roger 5880. During the measurement, the microstrip line is connected to vector network analyser through SMA connectors. It is found that this technique introduce error of 10.83%, 7.53% and 21.32% for FR4, Teflon and Roger 5880 respectively. On the other hand, the comparison with the experimental measurement shows 13.5%, 52.95% and 31.40% of error for FR4, Teflon and Roger 5880 respectively. The future research, can focus on measuring the dielectric properties of dispersive material including its loss factor material based on Kramers-kronig relationship.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Ikhsan, Fatin Hamimah
author_facet	Ikhsan, Fatin Hamimah
author_sort	Ikhsan, Fatin Hamimah
title	Dielectric measurement based microstrip transmission line
title_short	Dielectric measurement based microstrip transmission line
title_full	Dielectric measurement based microstrip transmission line
title_fullStr	Dielectric measurement based microstrip transmission line
title_full_unstemmed	Dielectric measurement based microstrip transmission line
title_sort	dielectric measurement based microstrip transmission line
granting_institution	Universiti Tun Hussein Onn Malaysia
granting_department	Fakulti Kejuruteraan Elektrik dan Elektronik
publishDate	2019
url	http://eprints.uthm.edu.my/490/1/24p%20FATIN%20HAMIMAH%20IKHSAN.pdf http://eprints.uthm.edu.my/490/2/FATIN%20HAMIMAH%20IKHSAN%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/490/3/FATIN%20HAMIMAH%20IKHSAN%20WATERMARK.pdf
_version_	1747830622889443328

Dielectric measurement based microstrip transmission line

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