Two-stage differential charge and transresistance amplifiers

被引:1
|
作者
Massarotto, Marco [1 ]
Garcia, Alfonso Carlosena [1 ]
Lopez-Martin, Antonio J. [2 ]
机构
[1] Univ Publ Navarra, Dept Elect & Elect Engn, Campus Arrosadia, Pamplona 31006, Navarra, Spain
[2] New Mexico State Univ, Las Cruces, NM 88003 USA
关键词
charge amplifier; charge to voltage converter; accelerometer; piezoelectric sensor; charge type sensor; transresistance amplfier; current to voltage converter; photodiode; current type sensor;
D O I
10.1109/IMTC.2006.328312
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A novel approach to the design of high-performance differential charge and transresistance amplifiers is proposed. It is based on a two-stage topology: the first stage provides common-mode rejection and performs a differential to single-ended signal conversion; the second one filters the signal. From this technique, two novel topologies are presented analyzed, and measured. Their, performance are compared with that of a conventional topology used as benchmark and results in a better CMRR, that only depends on the matching between two resistors.
引用
收藏
页码:1920 / +
页数:2
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