Compact Ultra-Wideband Bandpass Filter With EBG Structure

Two bandpass filters (BPFs) for ultra-wideband (UWB) applications are proposed using the uniplanar compact- electromagnetic bandgap (UC-EBG) and the foliated UC-EBG (FUC-EBG) structures for size reduction. The sizes of the proposed UWB BPFs are reduced by 20 ~ 22% compared to the conventional one wi...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2008-10, Vol.18 (10), p.671-673
Hauptverfasser:	BAIK, Jung-Woo, HAN, Sang-Min, JEONG, Chandong, JEONG, Jichai, KIM, Young-Sik
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Band pass filters Banded structure Bandpass filter Bandpass filters Circuit properties Electric, optical and optoelectronic circuits electromagnetic bandgap (EBG) Electronic circuits Electronics Exact sciences and technology Frequency filters Impedance Materials Metamaterials Microstrip filters Microstrip resonators Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwaves multiple-mode resonator (MMR) Oscillators, resonators, synthetizers Passband Periodic structures Resonance Resonator filters Resonators Size reduction ultra wideband (UWB) Ultra wideband technology Wideband wideband filter
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Beschreibung
Zusammenfassung:	Two bandpass filters (BPFs) for ultra-wideband (UWB) applications are proposed using the uniplanar compact- electromagnetic bandgap (UC-EBG) and the foliated UC-EBG (FUC-EBG) structures for size reduction. The sizes of the proposed UWB BPFs are reduced by 20 ~ 22% compared to the conventional one with the microstrip multiple-mode resonator (MMR). Both EBG structures are shown to cause a slow-wave effect, which is required for compactness and the characteristic impedance Z c close to 50 Omega, which is needed for wideband match.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2008.2003456