High resolution readout of metal oxide gas sensors using time-to-digital conversion

被引：0
|
作者：
Brunsmann, U.
Tille, Th.
机构：
[1] FH Aschaffenburg Univ Appl Sci, Fac Engn, D-63743 Aschaffenburg, Germany
[2] BMW Grp, Elect Dev Dept, D-80788 Munich, Germany
来源：
ELECTRONICS LETTERS | 2006年 / 42卷 / 20期
关键词：
D O I：
10.1049/el:20062546
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：
Time-to-digital conversion is investigated as a new method to record highly sensitive responses of semiconductor gas sensors. The method is evaluated by exposing metal oxide gas sensors to very low carbon monoxide (CO) concentrations. The noise equivalent detection limit is about 0.5 ppb CO.
引用
收藏
页码：1148 / 1149
页数：2
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