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題名 | Multi-notched Ultra-wideband Bandpass Filter Design Using FMMR, CSRR and Inter-digital Couples Configurations=以摺式多模諧振器內含互補開口環型諧振器與指叉饋入結構設計具多陷波特性之超寬頻帶通濾波器 |
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作者 | 李勇昇; 江青瓚; 劉智群; 葉官俤; 李岳軍; 余自明; 彭浩庭; | 書刊名 | 健行學報 |
卷期 | 36:2 2016.04[民105.04] |
頁次 | 頁11-28 |
分類號 | 448.533 |
關鍵詞 | 超寬頻帶通濾波器; 多頻陷波; 摺式多模諧振器; 互補開口環型諧振器; UWB filter; Dual/quad-notched; FMMR; CSRR; |
語文 | 英文(English) |
中文摘要 | 本文設計一組以摺式多模諧振器內含互補開口環型諧振器與指叉饋入結構之具多頻陷波特性之超寬頻帶通濾波器及一組串接結構濾波器。這二組濾波器具有,較寬的頻寬(3.1 to 9.8 GHz/2.93 to 8.71 GHz) 其頻寬百分比為101 與101 %,有低的介入損耗(1.56/0.33dB) 、高抑制位準(-16/-26dB) 、在中心頻率為6.45/5.78GHz 頻段等響應特性。運用互補開口環型諧振器與指叉饋入結構,能在超寬頻通帶內產生雙陷波/四陷波頻段,以阻斷干擾信號。調整互補開口環型諧振器與指叉饋入結構的長度比例,得到雙陷波頻段為5.75 與8.28 GHz,以及四陷波頻段為3.5、4.2、5.75 與8.28 GHz。調整的範圍,雙陷波頻段為5.75 到8.28 GHz,四陷波頻段為3.65 到8.48 GHz。這是一簡單方式,來設計與調控雙/四陷波頻段。 |
英文摘要 | The folded multiple-mode resonator (FMMR) with complementary split ring resonator (CSRR) and inter-digital couple, and the cascaded structure are introduced for ultra-wideband bandpass filter design in this paper. The wider bandwidth (3.1 to 9.8 GHz and 2.93 to 8.71 GHz) with FBW = 101 and 101 %, lower insertion loss (1.56 and 0.33 dB), and higher rejection level (-15 and -26 dB) of UWB band at central frequency f_0 = 6.45 and 5.78 GHz of the inter-digital coupled CSRR FMMR and the cascaded structure are presented respectively. By using the CSRR and inter-digital couple, dual/quad-notched bands can exist in the UWB passband for blocking the interference signals. Adjusting the size factor of CSRR and inter-digital couple, the wide tuning ranges of notched frequencies included the dual-notched band of 5.75 and 8.28 GHz and the quad-notched band of 3.87, 5.59, 5.84 and 7.70 GHz are achieved. The wide tuning ranges of dual-notched frequencies cover from 4.7 GHz to 9.7 GHz and ranges of quad- notched frequencies present from 3.65 GHz to 8.48 GHz. It is a simple way to design and control the dual-/quad-notched bands. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。