Design of Bandpass Filter with High Selectivity Using Stepped Impedance Resonator

DOI

10.2991/icwcsn-16.2017.44How to use a DOI?

Keywords

high selectivity; stepped impedance resonator; bandpass filter; wireless communication

Abstract

In this paper, a novel bandpass filter (BPF) with high selectivity and great out-of band suppression is proposed by using stepped impedance resonators (SIR) and defected ground structure. The measured 3-dB bandwidth of the proposed BPF is 2.62-2.72GHz; the maximum simulated insertion loss is 0.4 dB within passband. Besides, there are four transmission zeros located at 2.12, 2.54, 2.84, and 3.80 GHz, the out-of band suppression is better than 20 dB, indicating that the proposed BPF has great suppression. Moreover, the measured and simulated filter characteristics are in agreement, which means that this design is effective. The characteristic of high selectivity is meaningful in wireless communication.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xue-Liang Min
AU  - Hou Zhang
AU  - Tao Zhong
AU  - Qiang Chen
PY  - 2016/12
DA  - 2016/12
TI  - Design of Bandpass Filter with High Selectivity Using Stepped Impedance Resonator
BT  - Proceedings of the 3rd International Conference on Wireless Communication and Sensor Networks (WCSN 2016)
PB  - Atlantis Press
SP  - 199
EP  - 202
SN  - 2352-538X
UR  - https://doi.org/10.2991/icwcsn-16.2017.44
DO  - 10.2991/icwcsn-16.2017.44
ID  - Min2016/12
ER  -