Proceedings of the First International Conference on Information Science and Electronic Technology

Coplanar-Waveguide Ultra-Wideband Bandpass Filter Based on Interdigital Structure

Authors
Yanyan Peng, Feng Xu
Corresponding Author
Yanyan Peng
Available Online March 2015.
DOI
https://doi.org/10.2991/iset-15.2015.46How to use a DOI?
Keywords
Bandpass filter, Coplanar waveguide, Defected ground structure, Interdigital coupling, Ultra wideband
Abstract
In this paper, a novel ultra wideband (UWB) bandpass filter based on interdigital structure is proposed. The proposed UWB bandpass filter is designed on coplanar waveguide (CPW) with the passband obtained by interdigital structure on the step-change center strip of CPW. The rectangular curling slots are adopted to improve the stopband characteristics and the normal slots are used to restrain the insertion loss of the filter in passband. The interdigital structure and all slots are on the same side of a circuit board which makes the UWB bandpass filter compact and easily realized. Simulations and measurements verify the design idea and the proposed filter has a more than 150% -3dB fractional bandwidth centered at 5.56 GHz as well as sharp skirt selectivity at the upper passband edge.
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Proceedings
First International Conference on Information Science and Electronic Technology (ISET 2015)
Part of series
Advances in Computer Science Research
Publication Date
March 2015
ISBN
978-94-62520-50-9
DOI
https://doi.org/10.2991/iset-15.2015.46How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Yanyan Peng
AU  - Feng Xu
PY  - 2015/03
DA  - 2015/03
TI  - Coplanar-Waveguide Ultra-Wideband Bandpass Filter Based on Interdigital Structure
BT  - First International Conference on Information Science and Electronic Technology (ISET 2015)
PB  - Atlantis Press
UR  - https://doi.org/10.2991/iset-15.2015.46
DO  - https://doi.org/10.2991/iset-15.2015.46
ID  - Peng2015/03
ER  -