An ultra-wide stopband microstrip bandpass filter

An ultra-wide stopband microstrip bandpass filter

This article develops a novel microstrip bandpass filter with ultra‐wide stopband.With the assistance of open stubs and interdigital capacitors, a very wide stopband with a sufficient rejection level can be achieved easily. Detailed design and synthesis procedures are provided. Moreover, the electro...

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Veröffentlicht in:Microwave and optical technology letters 2010-10, Vol.52 (10), p.2218-2221
Hauptverfasser: Zheng, Guangming, Lin, Weigan
Format: Artikel
Sprache:eng
Schlagworte:
bandpass filter
Bandpass filters
Capacitors
Feasibility
interdigital capacitors
microstrip filter
Microwaves
open stubs
Rejection
Simulation
Synthesis
ultra-wide stopband
Ultrawideband
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Zusammenfassung:This article develops a novel microstrip bandpass filter with ultra‐wide stopband.With the assistance of open stubs and interdigital capacitors, a very wide stopband with a sufficient rejection level can be achieved easily. Detailed design and synthesis procedures are provided. Moreover, the electromagnetic simulator ansoft designer v3 is used, and the prototype of the bandpass filter is fabricated and measured. Good agreement between measured and theoretically predicted results demonstrates feasibility of the proposed filter. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2218–2221, 2010; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/mop.25426
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.25426