A wideband bandpass filter with wide upper stopband attenuation containing multiple resonators

A compact wideband bandpass filter with a wide passband and very‐wide out‐of‐band suppression is presented. The filter is constructed from a central rectangular‐ring resonator with two open stubs placed around it symmetrically. In addition, tri‐section stepped‐impedance resonators are symmetrically...

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Veröffentlicht in:	Microwave and optical technology letters 2023-10, Vol.65 (10), p.2741-2747
Hauptverfasser:	Bai, Lei, Zhuang, Yi‐qi, Zeng, Zhi‐bin
Format:	Artikel
Sprache:	eng
Schlagworte:	bandpass filter Bandpass filters Broadband funnel‐shaped resonator rectangular‐ring resonator Resonators stopband tri‐section stepped impedance resonators (TSSIR)
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