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Dual-Band Bandpass Filter using Assembled Resonators for WLAN and RFID Application

Published on June 2013 by Manimala Pal, Biswajit Sarkar, Rowdra Ghatak
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International Conference on Communication, Circuits and Systems 2012
Foundation of Computer Science USA
IC3S - Number 1
June 2013
Authors: Manimala Pal, Biswajit Sarkar, Rowdra Ghatak
2b2544ad-5717-44ba-a5be-61d1bcacc914

Manimala Pal, Biswajit Sarkar, Rowdra Ghatak . Dual-Band Bandpass Filter using Assembled Resonators for WLAN and RFID Application. International Conference on Communication, Circuits and Systems 2012. IC3S, 1 (June 2013), 7-9.

@article{
author = { Manimala Pal, Biswajit Sarkar, Rowdra Ghatak },
title = { Dual-Band Bandpass Filter using Assembled Resonators for WLAN and RFID Application },
journal = { International Conference on Communication, Circuits and Systems 2012 },
issue_date = { June 2013 },
volume = { IC3S },
number = { 1 },
month = { June },
year = { 2013 },
issn = 0975-8887,
pages = { 7-9 },
numpages = 3,
url = { /proceedings/ic3s/number1/12280-1303/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference on Communication, Circuits and Systems 2012
%A Manimala Pal
%A Biswajit Sarkar
%A Rowdra Ghatak
%T Dual-Band Bandpass Filter using Assembled Resonators for WLAN and RFID Application
%J International Conference on Communication, Circuits and Systems 2012
%@ 0975-8887
%V IC3S
%N 1
%P 7-9
%D 2013
%I International Journal of Computer Applications
Abstract

A dual band bandpass filter for WLAN and RFID application is presented in this paper. The proposed filter is realized using asymmetric fed intercoupled open loop resonators (OLR) with embedded E-shaped resonators with open stubs. The center frequencies of the passbands are 2. 45 GHz and 6. 8 GHz. The insertion loss at each passband is on average within 2 dB. Four transmission zeros are obtained of each pass band for high selectivity. The stop band attenuation is below 10 dB with the band extending up to 10 GHz. The overall size is 28 mm by 15. 25 mm which brings about considerable miniaturization.

References
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  2. M. Makimoto and S. Yamashita, Microwave resonators and Filters for Wireless Communication, Springer, 2003.
  3. Huang, T. -H. , Chen, H. -J. , Chang, C. -S. , Wang, Y. -H. , and Houng, M. -P. ," A Novel compact ring dual mode filter with adjustable second passband for dual-band applications," IEEE Microwave and Wireless Components Letters, vol. 16, no. 6, pp. 360-362, 2006.
  4. Chen, J. -K. , Yum, T. -Y. , Li, J. -L. ,and Xue, Q. ," Dual mode dual band bandpass filter using stacked loop structure," IEEE Microwave and Wireless Components Letters, vol. 16, no. 9, pp. 502-504, 2006.
  5. Zhang, X. Y. , and Xue, Q. , "Novel dusl-mode dual-band filters using coplanar waveguide-fed ring resonators," IEEE Trans. Microwave Theory Tech. , vol. 55, no. 10, pp. 2183-2190, J2007.
  6. J. Wang, L. Ge, K. Wang and W. Wu, "Compact microstrip dual-mode dual-band bandpass filter with wide stopband," Electronics Letters, vol. 17, no. 4, February 2011.
Index Terms

Computer Science
Information Sciences

Keywords

Dual-Band Bandpass