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SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE

Microstrip lowpass filter plays important role in many RF or microwave applications. They are used to select the microwave signals within assigned spectral limits. 1n this project, a conventional stepped-impedance microstrip lowpass filter is designed to have an equal-ripple response with a cutof...

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Main Author: SHAHRIN, MOHD FIRDAUS
Format: Final Year Project
Language:English
Published: Universiti Teknologi PETRONAS 2009
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://utpedia.utp.edu.my/7999/1/2009%20-%20Small-sized%20microstrip%20lowpass%20filter%20using%20defected%20ground%20structure.pdf
http://utpedia.utp.edu.my/7999/
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spelling my-utp-utpedia.79992017-01-25T09:44:05Z http://utpedia.utp.edu.my/7999/ SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE SHAHRIN, MOHD FIRDAUS TK Electrical engineering. Electronics Nuclear engineering Microstrip lowpass filter plays important role in many RF or microwave applications. They are used to select the microwave signals within assigned spectral limits. 1n this project, a conventional stepped-impedance microstrip lowpass filter is designed to have an equal-ripple response with a cutoff frequency of 0. 8 GHz. The filter needs to satisfy more than 20 dB insertion loss at 1.2 GHz with the impedance of 50 Ohm. By using the insertion loss method, filter performance is expected to be improved at the expense of a higher order filter. Another filter with the defected ground structure (DGS), having the same physical length, is introduced to investigate the performance of the filter. The simulation is carried out using the Agilent Advanced Design System (ADS) and Sonnet Suite software and in the experimental measurements a vector network analyzer is used. The results taken from the measurement shows that the signal response from the filter with DGS exhibits a wider passband frequency, with sharp cut off frequency. Another filter with defected microstrip structure (DMS) also shows the same behavior. The discontinuities structure proves that it can be used to improve the performance and reduces the size of the filter. Universiti Teknologi PETRONAS 2009-06 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/7999/1/2009%20-%20Small-sized%20microstrip%20lowpass%20filter%20using%20defected%20ground%20structure.pdf SHAHRIN, MOHD FIRDAUS (2009) SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE. Universiti Teknologi PETRONAS. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
SHAHRIN, MOHD FIRDAUS
SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE
description Microstrip lowpass filter plays important role in many RF or microwave applications. They are used to select the microwave signals within assigned spectral limits. 1n this project, a conventional stepped-impedance microstrip lowpass filter is designed to have an equal-ripple response with a cutoff frequency of 0. 8 GHz. The filter needs to satisfy more than 20 dB insertion loss at 1.2 GHz with the impedance of 50 Ohm. By using the insertion loss method, filter performance is expected to be improved at the expense of a higher order filter. Another filter with the defected ground structure (DGS), having the same physical length, is introduced to investigate the performance of the filter. The simulation is carried out using the Agilent Advanced Design System (ADS) and Sonnet Suite software and in the experimental measurements a vector network analyzer is used. The results taken from the measurement shows that the signal response from the filter with DGS exhibits a wider passband frequency, with sharp cut off frequency. Another filter with defected microstrip structure (DMS) also shows the same behavior. The discontinuities structure proves that it can be used to improve the performance and reduces the size of the filter.
format Final Year Project
author SHAHRIN, MOHD FIRDAUS
author_facet SHAHRIN, MOHD FIRDAUS
author_sort SHAHRIN, MOHD FIRDAUS
title SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE
title_short SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE
title_full SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE
title_fullStr SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE
title_full_unstemmed SMALL-SIZED MICROS TRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURE
title_sort small-sized micros trip lowpass filter using defected ground structure
publisher Universiti Teknologi PETRONAS
publishDate 2009
url http://utpedia.utp.edu.my/7999/1/2009%20-%20Small-sized%20microstrip%20lowpass%20filter%20using%20defected%20ground%20structure.pdf
http://utpedia.utp.edu.my/7999/
_version_ 1739831529847128064
score 13.211869

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