Wide-range single-ended CMOS track-and-hold circuit

被引：5

作者：

Movahedian, Hamid ^{[1
]}

Sedighi, Behnam ^{[1
]}

Bakhtiar, Mehrdad Sharif ^{[1
]}

机构：

[1] Sharif Univ Technol, Dept Elect Engn, Tehran, Iran

来源：

IEICE ELECTRONICS EXPRESS | 2007年 / 4卷 / 12期

关键词：

track and hold; static error; total harmonic distortion;

D O I：

10.1587/elex.4.400

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 investigates the performance of a MOS track-and-hold circuit as the front end of a wide input range and highspeed single-sided ADC. In order to reduce charge injection and clock feedthrough errors, a new technique for employing a dummy transistor in the bootstrapped switch of the track and hold circuit is introduced. Performance of the proposed circuit for the two cases of constant and non-linear hold capacitor is studied. It is also shown that how and when dummy switch and bulk switching method can improve the accuracy of the T/H.

引用

页码：400 / 405

页数：6

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