研究生: |
李智豪 Lee, Chih-Hao |
---|---|
論文名稱: |
二階管線化迴圈式類比數位轉換器之研究 |
指導教授: |
周懷樸
Chou, Hwai-Pwu |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
原子科學院 - 工程與系統科學系 Department of Engineering and System Science |
論文出版年: | 2009 |
畢業學年度: | 97 |
語文別: | 中文 |
論文頁數: | 83 |
中文關鍵詞: | 迴圈式類比數位轉換器 、管線化 |
外文關鍵詞: | cyclic ADC, pipeline |
相關次數: | 點閱:3 下載:0 |
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本論文實現一個用於輻射偵檢器中的二階迴圈式類比數位轉換器,並且使用一些方法更有效的節省功率消耗與晶片面積以及改善電容不匹配所造成的非線性誤差,使用兩級處理電路之運算放大器共用,可以減少晶片面積與功率消耗,以及運用與電容比值無關的處理電路,可改善因電容不匹配所造成的非線性現象,電路設計使用TSMC 0.35μm 2P4M製程技術,實現一個10位元迴圈式類比數位轉換器,操作頻率為10MHz,取樣頻率為2MHz,模擬分析結果顯示微分非線性誤差在±0.5LSB之內,積分非線性誤差最大為0.8LSB,電容不匹配情形超過1%,將產生漏碼現象,可運用與電容比值無關的處理電路改善,但會提高功率以及減少轉換速度,晶片面積為1.0*1.2mm2,3V的供應電壓,功率消耗約為21mW。
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