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A 3.1 to 5 GHz Low-Loss Planar Filter for MB-OFDM UWB Applications

Young-Pyo HONG, Seong-Sik MYOUNG, Jong-Gwan YOOK

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Summary :

A low-loss ultra-wide band (UWB) filter is presented, which uses miniaturized parallel coupled line along with an standard printed circuit board (PCB) technology. By analyzing even- and odd-mode impedances (in comparison with conventional parallel coupled lines) of miniaturized parallel coupled line, this structure provides tight coupling, thus, relaxing the requirements on physical dimensions width and spacing when designing broadband filters. A bandpass filter for Mode 1 (the first 3 sub-bands) in the 3.1-5 GHz band for Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM) UWB is realized and compared with a conventional parallel coupled line filter. The experimental results show as much as 0.9 dB insertion loss improvement over the conventional counterpart.

Publication
IEICE TRANSACTIONS on Communications Vol.E94-B No.4 pp.1098-1101
Publication Date
2011/04/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E94.B.1098
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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