A cascaded continuous-time ΣΔ modulator with 80 dB dynamic range

被引：0

作者：

Ortmanns, M ^{[1
]}

Kuderer, M ^{[1
]}

Manoli, K ^{[1
]}

Gerfers, F ^{[1
]}

机构：

[1] Univ Freiburg, D-79110 Freiburg, Germany

来源：

2004 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL 1, PROCEEDINGS | 2004年

关键词：

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：

This paper presents the implementation of the first 2-1-1, cascaded continuous-time (CT) sigma-delta (SigmaDelta) modulator. The successful realization is shown by measurements and a dynamic range of 80 dB is achieved. Special attention has been paid to the egain-error mismatch and a previously reported digital correction. Therefore, the modulator has been implemented on a circuit board to be able to test this non-ideal behavior and to compensate for it. It could be shown, that cascaded CT SigmaDelta modulators have the potential to be integrated as high-speed, high-resolution circuits.

引用

页码：405 / 408

页数：4

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