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  1. NTU Theses and Dissertations Repository
  2. 電機資訊學院
  3. 電子工程學研究所
Please use this identifier to cite or link to this item: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/29608
Title: 一個每秒10億次取樣6位元48毫瓦類比數位轉換器
A 1GS/s 6-bit 48mW A/D Converter
Authors: I-Ching Chen
陳翊青
Advisor: 陳信樹
Keyword: 類比數位轉換器,兩階段式,時間交錯,低功率,
ADC,Two-step,Time-interleave,low power,
Publication Year : 2007
Degree: 碩士
Abstract: 本研究是採用兩階段式 (Two-step) 的架構,來實現高速的類比數位轉換器(Analog-to-Digital Converter)。在此論文中提出一個快速穩定的方法 (fast-settling method)來縮短運算放大器的上升時間以及經由重新安排時脈圖來使得電路可以工作的更加有效率。本晶片使用台積電0.13-μm CMOS製程製作,解析度為六位元,操作時脈頻率為1 GS/s,INL為+0.3/-0.3 LSB,DNL為+0.49/-0.49 LSB,在輸入信號頻率為奈奎斯特頻率的情況下,SFDR為49.2dB,SNDR為31.3dB,在1.2伏特的供應電壓下,消耗功率為 50mW。
A 1 GS/s 6-bit CMOS two-step ADC using fast-settling method and through timing rearrangement is demonstrated in a standard 0.13-μm CMOS process. The proposed method shortens the slew time of OPAMP in MDAC and the timing arrangement makes the circuits operated more efficient. The prototype circuit exhibits an INL of +0.3/-0.3 LSB and a DNL of +0.49/-0.49 LSB. The SNDR and SFDR achieve 31.3 and 49.2 dB at 1 GS/s for Nyquist input frequency. The ADC consumes 50 mW at 1.2V supply and occupies an active chip area of 0.16 mm2.
URI: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/29608
Fulltext Rights: 有償授權
Appears in Collections:電子工程學研究所

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