Design considerations on very high resolution sigma/delta modulators

被引：0
|
作者：
Brigati, S [1 ]
Francesconi, F [1 ]
Liberali, V [1 ]
Maloberti, F [1 ]
Malcovati, P [1 ]
Poletti, M [1 ]
机构：
[1] Micronova Sistemi SRL, I-27020 Trivolzio, Pavia, Italy
来源：
40TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1 AND 2 | 1998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：
This paper describes theoretical limits and practical considerations concerning the design of high resolution (SNR > 100 dB) sigma-delta A/D converters. By looking at a series of constraints affecting the design of basic devices and building blocks, we discuss important aspects of the theory of high order single-loop modulators and find limitations to the maximum signal-to-noise ratio as a function of the power consumption and the sampling frequency. Moreover, starting from the theoretical results, we show how to optimize the modulator performance with behavioral simulations.
引用
收藏
页码：285 / 288
页数：4
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