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A compact ultra wide band bandpass filter with dual band notch designed based on composite right/left‐handed transmission line unit cell

A compact ultra wide band bandpass filter with dual band notch designed based on composite... In this article, we propose an ultra wide band (UWB) bandpass filter with dual notch characteristics. The proposed filter is designed based on composite right/left handed (CRLH) transmission lines. The filter is having a compact size of 2.4 mm × 8.78 mm and printed on FR4 material with relative permittivity 4.4 with thickness 1.6 mm. The filter is constructed by series of strip lines, which forms interdigital capacitance and shunt inductors allowing both low and high frequencies of the UWB to pass. The selectivity in lower and higher parts of the UWB is achieved by the slots etched from the ground plane. The dual band notch is obtained at 4 GHz and 7 GHz using the L‐shaped strip lines on both sides of the filter. The comparative analysis of the proposed UWB band pass filter without and with notch characteristics is presented with the help of the S11 and S21 curves. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Rf and Microwave Computer-Aided Engineering Wiley

A compact ultra wide band bandpass filter with dual band notch designed based on composite right/left‐handed transmission line unit cell

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References (18)

Publisher
Wiley
Copyright
© 2018 Wiley Periodicals, Inc.
ISSN
1096-4290
eISSN
1099-047X
DOI
10.1002/mmce.21569
Publisher site
See Article on Publisher Site

Abstract

In this article, we propose an ultra wide band (UWB) bandpass filter with dual notch characteristics. The proposed filter is designed based on composite right/left handed (CRLH) transmission lines. The filter is having a compact size of 2.4 mm × 8.78 mm and printed on FR4 material with relative permittivity 4.4 with thickness 1.6 mm. The filter is constructed by series of strip lines, which forms interdigital capacitance and shunt inductors allowing both low and high frequencies of the UWB to pass. The selectivity in lower and higher parts of the UWB is achieved by the slots etched from the ground plane. The dual band notch is obtained at 4 GHz and 7 GHz using the L‐shaped strip lines on both sides of the filter. The comparative analysis of the proposed UWB band pass filter without and with notch characteristics is presented with the help of the S11 and S21 curves.

Journal

International Journal of Rf and Microwave Computer-Aided EngineeringWiley

Published: Nov 1, 2018

Keywords: ; ; ; ;

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