臺灣博碩士論文加值系統

對於共平面式電磁能隙結構 (Coplanar Electromagnetic Band-Gap Structure, Coplanar-EBG)，本論文首次提出藉由平行金屬板共振腔的觀點來釐清其工作原理與傳播機制，說明其於一般多層板封裝電路中有效的層疊佈局方式，以及決定其截止帶之下緣與上緣的機制。
此外，考量實際封裝電路板複雜的穿層與佈線結構，任意激發源位置對其有效截止頻帶的效應成為非常重要的課題，本文將加以分析，且為了考量效率、成本與可行性以達成符合經濟效益的設計，亦將探討共平面EBG結構佈局面積對於雜訊抑制效果的影響，作為實際佈局設計的參考。
最後，分別針對降低共振腔的耦合效應，以及單位EBG結構間金屬連接的傳導效應提出設計的概念，並結合帶拒濾波器，實現對於任意雜訊源激發位置皆有一致截止帶頻寬，且符合實際需求的共平面式電磁能隙結構，並加以實驗驗證其可行性與準確性。

For the first time to characterize the physical mechanism of Coplanar Electromagnetic Band-Gap (Coplanar-EBG) structures, the viewpoint of the parallel-plate resonance cavity is proposed in this thesis. Besides, the overall arrangement of effective stackup layout and mechanism decision of the upper-side and lower-side of stop-band are also presented.
In the realistic high-speed digital circuit, the complicate trace layout and multilayer connection by via transitions are inevitable. Thus the position effect of arbitrary noise excitation to Coplanar-EBG becomes very important and will be taken into account in this thesis. In addition, to consider the efficiency, cost, and feasibility, the effective area of Coplanar-EBG layout is analyzed to meet the economic benefits.
Finally, based on the low coupling effect between two patches at the separate resonant frequencies, a novel Coplanar-EBG structure inducing a wideband band-stop filter is proposed, designed, examined, and validated.

第一章 研究動機與簡介 ................................. 1
1.1 研究動機 .......................................... 1
1.2 文獻回顧 .......................................... 2
1.3 章節概要 .......................................... 3
1.4 貢獻 .............................................. 4
第二章 接地彈跳雜訊之成因與常見抑制方式 ............... 7
2.1 接地彈跳雜訊現象與成因 ............................ 7
2.2 接地彈跳雜訊抑制的方法與比較 ...................... 9
2.3 電磁能隙結構簡介 .................................. 11
2.3.1 內嵌式電磁能隙結構對於接地雜訊的抑制 ............ 11
2.3.2 共平面式電磁能隙結構對於接地雜訊的抑制 .......... 13
第三章 共平面式電磁能隙結構特性分析 .................... 21
3.1 激發源位置對有效頻寬的影響 ........................ 21
3.2 共平面式電磁能隙結構原理分析....................... 24
3.2.1 平行金屬板共振腔介紹 ............................ 24
3.3.2 共振腔傳播機制分析 .............................. 27
3.3 有效頻寬的決定機制 ................................ 29
3.4 佈局面積對抑制雜訊的影響 .......................... 35
3.5 層板佈局的效應 .................................... 37
3.6 實驗與模擬驗證 .................................... 40
3.6.1 驗證激發源位置對有效頻寬的影響 .................. 40
3.6.2 驗證共振腔傳播機制 .............................. 40
第四章 共平面式電磁能隙結構設計 ....................... 69
4.1 降低兩共振腔耦合效應的設計方式 .................... 69
4.2 結合帶拒濾波器降低金屬傳導效應的設計方式 .......... 71
4.3 實驗與模擬驗證 .................................... 74
第五章 結論 ........................................... 86
參考文獻 .............................................. 87

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