An Anti-Aliasing Multi-Rate ΣΔ Modulator

被引：0
|
作者：
Carusone, Anthony Chan [1 ]
Maloberti, Franco [2 ]
机构：
[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 1A1, Canada
[2] Univ Pavia, Dept Elect, Pavia, Italy
来源：
ISCAS: 2009 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-5 | 2009年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
By splitting the input sampling capacitor of a Sigma Delta modulator into several time-interleaved branches, FIR filtering can be incorporated into the signal transfer function. Doing so imposes little or no overhead in the design of the opamps. Simulations of a 3rd-order modulator demonstrate that up to 65dB of anti-aliasing can be obtained with 5 time-interleaved switched capacitor branches.
引用
收藏
页码：1329 / +
页数：2
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