Design of a Compact Ultra-Wideband Bandpass Filter with an Extremely Broad Stopband Region

Siang Wen Lan; Min Hang Weng; Cheng Yuan Hung; Shoou Jinn Chang

doi:10.1109/LMWC.2016.2558039

Design of a Compact Ultra-Wideband Bandpass Filter with an Extremely Broad Stopband Region

Siang Wen Lan
, Min Hang Weng
, Cheng Yuan Hung
, Shoou Jinn Chang

Research output: Contribution to journal › Article › peer-review

57 Citations (Scopus)

Abstract

This letter presents a design of a compact ultra-wideband (UWB) bandpass filter (BPF), which can exhibit an UWB response from 3.1 to 9.9 GHz with low insertion loss (IL) of 0.8 dB and an extremely broad stopband region from 10.9 to 25.1 GHz with high rejection level of 20 dB. This UWB BPF is simply constructed by using only one single-stage parallel-coupled line and two rectangular stub resonators. In this design, the rectangular stub resonators provide an exciting mode to enhance the desired UWB response and also create tunable transmission zeros to extend a wide stopband by controlling the impedance ratio (R) properly. The filter was fabricated and measured to verify the design concept.

Original language	English
Article number	7466108
Pages (from-to)	392-394
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	26
Issue number	6
DOIs	https://doi.org/10.1109/LMWC.2016.2558039
Publication status	Published - 2016 Jun

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/LMWC.2016.2558039

Cite this

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title = "Design of a Compact Ultra-Wideband Bandpass Filter with an Extremely Broad Stopband Region",

abstract = "This letter presents a design of a compact ultra-wideband (UWB) bandpass filter (BPF), which can exhibit an UWB response from 3.1 to 9.9 GHz with low insertion loss (IL) of 0.8 dB and an extremely broad stopband region from 10.9 to 25.1 GHz with high rejection level of 20 dB. This UWB BPF is simply constructed by using only one single-stage parallel-coupled line and two rectangular stub resonators. In this design, the rectangular stub resonators provide an exciting mode to enhance the desired UWB response and also create tunable transmission zeros to extend a wide stopband by controlling the impedance ratio (R) properly. The filter was fabricated and measured to verify the design concept.",

author = "Lan, \{Siang Wen\} and Weng, \{Min Hang\} and Hung, \{Cheng Yuan\} and Chang, \{Shoou Jinn\}",

note = "Funding Information: This work was supported by the Advanced Optoelectronic Technology Center, National Cheng Kung University, under projects from the Ministry of Education, Taiwan. Publisher Copyright: {\textcopyright} 2001-2012 IEEE.",

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AU - Weng, Min Hang

AU - Hung, Cheng Yuan

AU - Chang, Shoou Jinn

N1 - Funding Information: This work was supported by the Advanced Optoelectronic Technology Center, National Cheng Kung University, under projects from the Ministry of Education, Taiwan. Publisher Copyright: © 2001-2012 IEEE.

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N2 - This letter presents a design of a compact ultra-wideband (UWB) bandpass filter (BPF), which can exhibit an UWB response from 3.1 to 9.9 GHz with low insertion loss (IL) of 0.8 dB and an extremely broad stopband region from 10.9 to 25.1 GHz with high rejection level of 20 dB. This UWB BPF is simply constructed by using only one single-stage parallel-coupled line and two rectangular stub resonators. In this design, the rectangular stub resonators provide an exciting mode to enhance the desired UWB response and also create tunable transmission zeros to extend a wide stopband by controlling the impedance ratio (R) properly. The filter was fabricated and measured to verify the design concept.

AB - This letter presents a design of a compact ultra-wideband (UWB) bandpass filter (BPF), which can exhibit an UWB response from 3.1 to 9.9 GHz with low insertion loss (IL) of 0.8 dB and an extremely broad stopband region from 10.9 to 25.1 GHz with high rejection level of 20 dB. This UWB BPF is simply constructed by using only one single-stage parallel-coupled line and two rectangular stub resonators. In this design, the rectangular stub resonators provide an exciting mode to enhance the desired UWB response and also create tunable transmission zeros to extend a wide stopband by controlling the impedance ratio (R) properly. The filter was fabricated and measured to verify the design concept.

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Design of a Compact Ultra-Wideband Bandpass Filter with an Extremely Broad Stopband Region

Abstract

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