CMOS Digitalized Peak Detector for a MEMS-Based Electrostatic Field Sensor

被引：0
|
作者：
Cui, Guoping [1 ]
Yang, Haigang [1 ]
Xia, Shanhong [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, State Key Lab Transducer Technol, Beijing 100080, Peoples R China
来源：
2007 7TH IEEE CONFERENCE ON NANOTECHNOLOGY, VOL 1-3 | 2007年
关键词：
MEMS; Peak detector; Sensor; Voltage to time conversion;
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 a new CMOS peak detector that directly converts the peak of a sine wave signal to its digital representation. This peak detector is capable of capturing peak points that carry the information of the electrostatic field, simplifying the sample-and-hold requirement. By making use of the voltage to time conversion (or voltage to duty cycle conversion), the method boasts the advantage of high resolution compared with the conventional way of using AD converters. The circuit is fabricated in Chartered 0.35um technology and is further tested.
引用
收藏
页码：131 / 134
页数：4
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