研究生: |
謝旻紘 Min-Hung Hsieh |
---|---|
論文名稱: |
應用於多層電路板之多模態激發交錯式電磁能隙架構寬頻同步切換雜訊抑制設計 Multi-mode Excitation Interleaved EBG Structure for Broadband Suppression of SSN in Multilayer PCBs |
指導教授: |
林丁丙
Ding-Bing Lin |
口試委員: |
吳宗霖
Tzong-Lin Wu 曾昭雄 Chao-Hsiung Tseng 邱政男 Cheng-Nan Chiu 林丁丙 Ding-Bing Lin |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2018 |
畢業學年度: | 106 |
語文別: | 中文 |
論文頁數: | 63 |
中文關鍵詞: | 同步切換雜訊 、電源輸送網路 、多層印刷電路板 、電磁能隙 、週期性結構 、電源完整性 |
外文關鍵詞: | Simultaneous Switching Noise, Power Delivery Network, Multi-layer Printed Circuit Board, Electromagnetic bandgap, Periodic Structure, Power Integrity |
相關次數: | 點閱:527 下載:9 |
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本論文主要研究在多層電路設計中,因數位IC本身快速切換產生的瞬時電流,進而在另一端的類比IC產生同步切換雜訊(Simultaneous Switching Noise)。此雜訊會在電源輸送網路(Power Delivery Network, PDN)中傳播,使整個系統電路的電源完整性(Power integrity, PI)受到影響。而在本文中,主要的多層印刷電路板(Multi-layer Printed Circuit Board)設計中心理念是透過週期性(Periodic Structure)的交錯式電磁能隙 (Interleaved EBG)結構,並改變此結構的板材厚度,來達到阻抗不連續的特性,增加其隔離度。接著嵌入槽線(Slot Line),使其架構產生多模態的激發,藉此得到寬頻抑制的效果。從頻域上觀察,此架構在5×5的週期性結構中頻寬範圍從0.56 GHz至20 GHz皆抑制於-40 dB以下,僅7.24 GHz此單一頻率點特性較差。另外,因為週期性結構的特性,使其在任意位置都有良好的隔離效果。
This thesis mainly studies the instantaneous current is generated by the high clock switching of the digital device in the multilayer printed circuit board, and then brings the simultaneous switching noise (SSN) in the analog device or sensitivity device. The SSN propagates through the power delivery network (PDN) which affects the power integrity (PI) of the system circuit. In this research, the main idea of the circuit design is the periodic structure of interleaved EBG structure. Then change the thickness of the structure to achieve the impedance discontinuity and increase its isolation. Next, the slot line is embedded in the inner layer to create the multi-mode excitation. Thereby getting the broadband suppression. From the frequency domain observation, the bandwidth of this architecture can efficiently suppress the SSN below -40 dB from 0.56 GHz to 20 GHz in the 5×5 periodic structure, and only a single frequency point characteristic of the 7.24 GHz is relatively poor. In addition, due to the characteristics of the periodic structure, it has a good isolation effect at any position.
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