A continuous-time closed-loop interface with an innovative C/V converter for gyroscopes

被引：0
|
作者：
Jiang, Yiming [1 ]
Michael, Maurer [1 ]
Manoli, Yiannos [1 ,2 ]
机构：
[1] Fritz Huettinger Chair Microelect, Georges Koehler Allee 102, D-79110 Freiburg, Germany
[2] Hahn Schickard Gesell HSG IMIT Villingen Schwenni, D-78052 Villingen Schwenningen, Germany
来源：
EUROSENSORS 2015 | 2015年 / 120卷
关键词：
Gyroscope; sense mode; interface; CT; C/V converter; compensation; MICROMACHINED INERTIAL SENSORS;
D O I：
10.1016/j.proeng.2015.08.771
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A continuous-time (CT) bandpass sigma-delta modulation based closed-loop interface implemented with an innovative charge-to-voltage (C/V) converter is proposed in this paper. Compared to conventional CT closed-loop implementations with large feedback resistors to settle the input common mode (CM) voltage of the amplifier within the C/V converter, the proposed C/V converter with reset is simple and has an area advantage. Additionally, it contributes adequate phase shift to eliminate the compensator which is necessary in a closed loop, thus further reducing the area, as well as power consumption. (C) 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.
引用
收藏
页码：892 / 895
页数：4
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