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本文提出了一种基于多比特时域量化器和反馈元件的连续时间ΔΣ ADC，实现了20MHz带宽和68dB动态范围。该设计利用时域数字信号处理技术克服纳米CMOS工艺中模拟电路实现的挑战，适用于无线通信应用。
Edgar Sánchez-Sinencio1, Jose Silva-Martinez1, Chinmaya Mishra1,2, Lei Chen1, Erik Pankratz1 1 Texas A&M University, College Station, TX Qualcomm, San Diego, CA 2 Low-power, small-area, 20MHz-BW ADCs that can be integrated in nanoscale CMOS technologies are of immense interest to the wireless communication industry. Implementation of high-performance analog circuits in nanometric technologies faces several challenges [1]. Time-domain digital signal processing (TDSP) [2] can be used as an alternative for some analog circuits to overcome these challenges. The TDSP technique utilizes the high timing resolution available in nanoscale technologies, and can be implemented using digital circuits that are inherently less susceptible to noise. Circuits using this technique also become faster, smaller and consume less power with technology scaling. Hence, solutions using TDSP with as many digital circuits as possible are
Vijay Dhanasekaran1,2, Manisha Gambhir1, Mohamed M. Elsayed1,