A STABLE DIFFERENTIATOR WITH A CONTROLLABLE SIGNAL-TO-NOISE RATIO

被引：11
|
作者：
ALALAOUI, MA
机构：
[1] Higher Inst for Applied Science, & Technology, Damascus, Syria
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1988年 / 37卷 / 03期
关键词：
AMPLIFIERS; OPERATIONAL; --; Applications;
D O I：
10.1109/19.7460
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：
The feedback properties of operational amplifiers are used in the construction of the differentiator. The basic concept, however is device-independent. Utilizing the tracking properties of feedback and using an integrator for a plant, the resulting error signal will approximate the derivative of the input. The system is stable for positive values of the gain. The signal-to-noise ratio (S/N) is controllable and is inversely proportional to the cubic power of the unity-gain bandwidth. The differentiator can have a higher frequency range of operation than is possible with other methods of design.
引用
收藏
页码：383 / 388
页数：6
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