## Abstract We propose a compact dual band bandpass filter (BPF) using meandering stepped impedance resonators (SIRs). By appropriately selecting the impedance ratio (K) of the SIR, the harmonic frequencies can be tuned for generating the dual‐passband response. Using this structure, the bandwidth
Compact dual-band bandpass filter using meander short-circuit quarter-wavelength resonators
✍ Scribed by H. W. Liu; Z. C. Zhang; G. W. Wei; L. Shen; X. H. Guan
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 304 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
In this letter, a compact dual‐band microstrip bandpass filter (BPF) with independently controlled center frequencies is designed using meander short‐circuit quarter‐wavelength resonators. Its coupling scheme and equivalent circuit model are analyzed. A good agreement between simulation and measurement verifies the validity of this design methodology. The overall size for the proposed BPF is about 0.17λg × 0.17 λg. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:344–346, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26590
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