Signal-dependent timing jitter in continuous-time ΣΔ modulators

被引：15

作者：

Cherry, JA

Snelgrove, WM

Schvan, P

机构：

[1] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada

[2] Nortel Technol, Ottawa, ON K1Y 4H7, Canada

来源：

ELECTRONICS LETTERS | 1997年 / 33卷 / 13期

关键词：

sigma-delta modulation; analogue-digital conversion; modulators;

D O I：

10.1049/el:19970779

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A previously unpublished mechanism of signal-to-noise ratio (SNR) loss specific to continuous-time Sigma Delta modulators is illustrated. It arises from increased quantiser resolution time for small-amplitude quantiser inputs, and is related to metastability.

引用

页码：1118 / 1119

页数：2

共 6 条

[1] THE DESIGN OF SIGMA-DELTA MODULATION ANALOG-TO-DIGITAL CONVERTERS [J].