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

页码：285 / 288

页数：4

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