A compact microstrip dual-wideband bandpass filter using ladder stub resonator

A compact microstrip dual-wideband bandpass filter using ladder stub resonator

In this article, we present a novel compact dual wideband bandpass filter (BPF) by using a new structure of ladder stub resonator (LSR). The proposed LSR can produce attenuation poles to form low loss and dual‐wideband bandpass response. By tuning the structure parameters of LSR, the dual‐band chara...

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Veröffentlicht in:Microwave and optical technology letters 2009-06, Vol.51 (6), p.1391-1393
Hauptverfasser: Weng, Min-Hang, Liauh, Chihng-Tsung, Wu, Hung-Wei, Vargas, Steve Ramírez, Yang, Ru-Yuan
Format: Artikel
Sprache:eng
Schlagworte:
bandpass filter
dual-wideband
ladder stub resonator
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Zusammenfassung:In this article, we present a novel compact dual wideband bandpass filter (BPF) by using a new structure of ladder stub resonator (LSR). The proposed LSR can produce attenuation poles to form low loss and dual‐wideband bandpass response. By tuning the structure parameters of LSR, the dual‐band characteristic can be controlled. The measured 3 dB fractional bandwidth (FBW) at first and second passbands are 41.5% and 25.7%, respectively. The experiment results of the fabricated filter agree well with the electromagnetic (EM) simulation. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1391–1393, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24392
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.24392