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ISSCC 2023Session 17 · HIGH-SPEED DATA CONVERTERSData Converters

A 750mW 24GS/s 12b Time-Interleaved ADC for Direct RF Sampling in Modern Wireless Systems

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📋 论文概要

该论文提出了一款750mW功耗、24GS/s采样率、12位分辨率的时间交织ADC,用于现代无线系统的直接射频采样。它实现了高达7.2GHz的输入带宽,支持5G全FR1频段及LTE-U、WiFi 6/7等网络,简化了模拟前端设计。

💡 主要创新点

发表年份
ISSCC 2023

📄 原文摘要

Atsushi Matsuda2, Minori Yoshida2, Masazumi Marutani2, Aadil Hussain Maniyar1, Jay Kumar1 Socionext Europe, Maidenhead, United Kingdom Socionext, Yokohama, Japan 1 2 An ADC with a sampling rate of tens of GS/s and a high input bandwidth can greatly ease the design of wireless network systems. Such ADCs help in simplifying the analog front end design by relaxing the requirements for anti-alias and anti-image filtering. Having a bandwidth of up to 7.2GHz facilitates direct sampling on the 5G full FR1 band including LTE-U and WiFi 6/7 networks. However, the available state-of-the-art high-speed ADCs operating at 20GS/s or higher are designed mostly for wireline communications [5] and are not suitable for wireless base station applications where a high spectral dynamic range with an NSD of $147dBFS/Hz and an SFDR of 70dB are required to support 1024QAM and higher modulations. The other high-resolution ADCs available in the range from

👥 作者与机构

Sandeep Santhosh Kumar1, Masahiro Kudo1, Vlad Cretu1, Antoine Morineau1,

分类:Data Converters · 年份:ISSCC 2023