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Dual-band bandpass filter using multimode square ring loaded resonators.
- Source :
-
Microwave & Optical Technology Letters . Nov2013, Vol. 55 Issue 11, p2692-2695. 4p. - Publication Year :
- 2013
-
Abstract
- ABSTRACT A novel microstrip dual-band bandpass filter (BPF) with multimode square ring loaded resonators (SRLRs) is proposed in this article. The improved SRLR is loaded by a meander ring stub and a stepped-impedance resonator for compactness to realize the dual-band performances. Even- and odd-mode method is applied to explain mode splitting characteristics. Moreover, another mode in the second passband is generated by adding a half-wavelength U-shaped resonator. This resonator also introduces cross-coupling between feed lines so that an additional transmission zero is produced, which enhance the selectivity. The dual-band BPF operating at 2.4 and 3.5 GHz for WLAN and WIMAX applications is designed and fabricated. Measurement results agree well with the simulated results. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2692-2695, 2013 [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08952477
- Volume :
- 55
- Issue :
- 11
- Database :
- Academic Search Index
- Journal :
- Microwave & Optical Technology Letters
- Publication Type :
- Academic Journal
- Accession number :
- 89944640
- Full Text :
- https://doi.org/10.1002/mop.27934