Sensor Signal Digitization Utilizing a Band-Pass Sigma-Delta Modulator

被引：6
|
作者：
Fujcik, Lukas [1 ]
Michaeli, Linus [2 ]
Haze, Jiri [1 ]
Vrba, Radimir [1 ]
机构：
[1] Brno Univ Technol Brno, FEEC, Dept Microelect, Brno, Czech Republic
[2] Tech Univ Kosice, Dept Elect & Multimedia Commun FEI, Kosice, Slovakia
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2009年 / E92C卷 / 06期
关键词：
analog-digital conversion; sigma-delta modulation; digital signal processing; mixed analog-digital integrated circuits;
D O I：
10.1587/transele.E92.C.860
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 system architecture for sensor signal digitization utilizing a band-pass sigma-delta modulator (BP Sigma Delta M). The first version of the proposed system architecture was implemented in 5 V 0.7 mu m CMOS technology. The proposed system architecture is useful for our capacitive pressure sensor measurement. The paper describes the possibilities of using the proposed enhanced system architecture in impedance spectroscopy and in capacitive pressure sensor measurement. The BP E Delta M is well suited for wireless applications. This paper shows another way how to use its advantages.
引用
收藏
页码：860 / 863
页数：4
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