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  • 學位論文

時間數位轉換器量測電壓脈衝高度之研究

指導教授 : 周懷樸

摘要


過去十幾年間單斜坡式類比數位轉換器被廣泛的使用在核能科學上,這樣的架構非常適合於低功率多通道的應用上,特別是頻譜測量,但這樣架構的類比數位轉換電路普遍存在著轉換時間過長的缺點。 本研究主題主要針對幅射電壓脈衝高度的量測,提出一單斜坡架構的量測電路,並針對其轉換時間過長的問題加以改善。電路設計使用台積電標準0.18um CMOS製程實現,工作電壓為±1.8V,量測電壓範圍為0~1.8V,數位信號輸出為12位元,最小時間解析度為78.125ps,晶片面積2.4mm2。

參考文獻


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