A novel crossed slotted patch dual-mode bandpass filter with two transmission zeros

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題名:	A novel crossed slotted patch dual-mode bandpass filter with two transmission zeros
作者:	Wu, Sean;吳信賢;Weng, Min-Hang;洪政源;Jhong, Shih-Bin;Lee, Maw-Shung;(東方技術學院電子與資訊系)
貢獻者:	東方技術學院電子與資訊系
關鍵詞:	Dual mode;crossed slot;patch resonator;transmission zeros;bandpass filter
日期:	2008-01-23
上傳時間:	2010-06-10 18:51:48 (UTC+8)
摘要:	This article presents a miniaturized dual-mode bandpass filter (BPF) with two transmission zeros and low insertion-loss using crossed slotted patch resonator. The BPF is mainly formed by a /2 patch resonator which is a pair of crossed slots with unequal widths is embedded in the center. By tuning the perturbation element, which resulted from the unequal slot widths along the diagonal, two resonant modes are excited and a pair of transmission zeros are generated to improve the selectivity of the BPF performance. The proposed filter at center frequency (f0) of 1.55 GHz has very good measured characteristics including the bandwidth of 1.49-1.62 GHz (3-dB fractional bandwidth of 8.4%), low insertion loss of 1.74 ± 0.35 dB. The measured filter performance is in good agreement with the simulated response.
關聯:	Microwave and Optical Technology Letters ,Vol.50 no.3, pp.741 - 744
顯示於類別:	[電子與資訊系(遊戲動畫系、動畫科)] 期刊論文

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