Operational Transconductance Amplifier Based Two-Stage Differential Charge Amplifiers

被引：0
|
作者：
Bhoyar, Dinesh B. [1 ]
Masram, Bharati Y. [1 ]
机构：
[1] YC Coll Engg, Dept ET, Nagpur, Maharashtra, India
来源：
INFORMATION AND COMMUNICATION TECHNOLOGIES | 2010年 / 101卷
关键词：
Accelerometer; charge amplifier; charge-to-voltage converter; charge-type sensor; current-to-voltage converter; current-type sensor; photodiode; piezoelectric sensor; Transconductance amplifier;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel approach to the design of high-performance operational-amplifier-based differential charge amplifiers is proposed. It is based on a two-stage topology: The first stage performs a differential measurement to single ended signal conversion, providing a common mode rejection that only depends on the matching between two resistors; the second stage filters the signal. These novel topologies that are based on this technique are presented, analyzed, and measured, and design criteria are finally given. Their performance is compared with there topology that is used as the benchmark, and it results in a better common- mode rejection ratio (CMRR).
引用
收藏
页码：267 / 273
页数：7
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