A Simple Global Resonation Strategy for Wideband Discrete-Time MASH ΣΔ Modulators

被引：0
|
作者：
Khazaeili, Beheshte [1 ]
Yavari, Mohammad [1 ]
机构：
[1] Amirkabir Univ Technol, Dept Elect Engn, Integrated Circuits Design Lab, Tehran, Iran
来源：
2014 22ND IRANIAN CONFERENCE ON ELECTRICAL ENGINEERING (ICEE) | 2014年
关键词：
MASH Sigma Delta modulators; zero optimization; local resonation; global resonation;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel strategy of zero optimization in cascaded Sigma Delta modulators is presented. In the proposed structure, by using just an analog inter-stage feedback path, one pair of the noise transfer function (NTF) zeros is distributed over the desired bandwidth so that the in-band quantization noise is reduced. The effectiveness of the proposed modulator is verified by analytical calculations and simulation results.
引用
收藏
页码：334 / 337
页数：4
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