Abstract
This paper presents a miniaturized wide stopband planar lowpass filter (LPF) using novel stepped impedance hairpin resonators (SIHRs). By embedding a radial stub inside the stepped impedance hairpin resonator, the resulting resonator can achieve a miniaturized size and broad stopband simultaneously. To validate the designed approach, a microstrip LPF is implemented and tested. The filter features a dimension of 0.158 \lambda g \times 0.126 \lambdag, where \lambdag denotes the waveguide length at the-3-dB cutoff frequency of 1.9 GHz. The measurements demonstrate that the filter offers a 20-dB rejection stopband from 2.45 GHz to 16.3 GHz.
| Original language | English |
|---|---|
| Title of host publication | 2019 8th International Symposium on Next Generation Electronics, ISNE 2019 |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| ISBN (Electronic) | 9781728120621 |
| DOIs | |
| Publication status | Published - Oct 2019 |
| Event | 8th International Symposium on Next Generation Electronics, ISNE 2019 - Zhengzhou, China Duration: 9 Oct 2019 → 10 Oct 2019 |
Publication series
| Name | 2019 8th International Symposium on Next Generation Electronics, ISNE 2019 |
|---|
Conference
| Conference | 8th International Symposium on Next Generation Electronics, ISNE 2019 |
|---|---|
| Country/Territory | China |
| City | Zhengzhou |
| Period | 9/10/19 → 10/10/19 |
Bibliographical note
Publisher Copyright:© 2019 IEEE.
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
Keywords
- broad stopband
- compact
- lowpass filter
- radial stub
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Instrumentation
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