Novel Compact and High Selectivity Dual-band BPF with Wide Stopband
Abstract
A novel type of compact and high selectivity dual-band bandpass filter (BPF) incorporating a dual-mode defected ground structure resonator (DDGSR) and a dual-mode open-stub loaded stepped impedance resonator (DOLSIR) is proposed in this paper. Utilizing capacitive source-load coupling and the intrinsic characteristics of the two types of dual-mode resonators, compact dual-band BPF with multi transmission zeros near the passband edges as well as a wide stopband which can be used to achieve high selectivity is realized. An experimental dual-band BPF located at 2.4 and 3.2 GHz was designed and fabricated. The validity of the design approach is verified by good agreement between simulated and measurement results.
Keywords
Dual-mode, dual-band, bandpass, defected ground structure.Persistent identifier
http://hdl.handle.net/11012/37070Document type
Peer reviewedDocument version
Final PDFSource
Radioengineering. 2012, vol. 21, č. 1, s. 492-495. ISSN 1210-2512http://www.radioeng.cz/fulltexts/2012/12_01_0492_0495.pdf
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- 2012/1 [71]
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