A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression

A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression

This letter presents a microstrip differential-mode (DM) bandpass filter (BPF) with high and wide stopband suppression under both DM and common-mode (CM) operations. A new coupling topology is formed up to realize the DM BPF by integrating a pair of λ/2 microstrip transmission lines and two multimod...

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Main Authors: Gang Zhang, Yang Zhao, Wei Yan
Format: Article
Language:English
Published: Hindawi-Wiley 2018-01-01
Series:Wireless Communications and Mobile Computing
Online Access:http://dx.doi.org/10.1155/2018/4032183
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spelling doaj-d2f1c66295614780b7102a79872cc20a2020-11-25T02:28:06ZengHindawi-WileyWireless Communications and Mobile Computing1530-86691530-86772018-01-01201810.1155/2018/40321834032183A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode SuppressionGang Zhang0Yang Zhao1Wei Yan2School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, ChinaSchool of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, ChinaSchool of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, ChinaThis letter presents a microstrip differential-mode (DM) bandpass filter (BPF) with high and wide stopband suppression under both DM and common-mode (CM) operations. A new coupling topology is formed up to realize the DM BPF by integrating a pair of λ/2 microstrip transmission lines and two multimode resonators. The DM and CM equivalent half-circuits are established to explain the operating principal. For validation, a DM BPF operating at 2.2 GHz is implemented. Experimental results indicate that the presented DM BPF exhibits not only sharp DM passband selectivity but also deep and ultrawide stopband suppression of more than 30 dB for both DM and CM.http://dx.doi.org/10.1155/2018/4032183
collection DOAJ
language English
format Article
sources DOAJ
author Gang Zhang
Yang Zhao
Wei Yan
spellingShingle Gang Zhang
Yang Zhao
Wei Yan
A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression
Wireless Communications and Mobile Computing
author_facet Gang Zhang
Yang Zhao
Wei Yan
author_sort Gang Zhang
title A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression
title_short A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression
title_full A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression
title_fullStr A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression
title_full_unstemmed A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression
title_sort compact differential-mode wide stopband bandpass filter with good and wideband common-mode suppression
publisher Hindawi-Wiley
series Wireless Communications and Mobile Computing
issn 1530-8669
1530-8677
publishDate 2018-01-01
description This letter presents a microstrip differential-mode (DM) bandpass filter (BPF) with high and wide stopband suppression under both DM and common-mode (CM) operations. A new coupling topology is formed up to realize the DM BPF by integrating a pair of λ/2 microstrip transmission lines and two multimode resonators. The DM and CM equivalent half-circuits are established to explain the operating principal. For validation, a DM BPF operating at 2.2 GHz is implemented. Experimental results indicate that the presented DM BPF exhibits not only sharp DM passband selectivity but also deep and ultrawide stopband suppression of more than 30 dB for both DM and CM.
url http://dx.doi.org/10.1155/2018/4032183
work_keys_str_mv AT gangzhang acompactdifferentialmodewidestopbandbandpassfilterwithgoodandwidebandcommonmodesuppression
AT yangzhao acompactdifferentialmodewidestopbandbandpassfilterwithgoodandwidebandcommonmodesuppression
AT weiyan acompactdifferentialmodewidestopbandbandpassfilterwithgoodandwidebandcommonmodesuppression
AT gangzhang compactdifferentialmodewidestopbandbandpassfilterwithgoodandwidebandcommonmodesuppression
AT yangzhao compactdifferentialmodewidestopbandbandpassfilterwithgoodandwidebandcommonmodesuppression
AT weiyan compactdifferentialmodewidestopbandbandpassfilterwithgoodandwidebandcommonmodesuppression
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