A current-mode logarithmic function circuit

被引：4
|
作者：
AbuelmA'Atti, Muhammad Taher [1 ]
Faris, Osama Oglah [1 ]
机构：
[1] King Fahd Univ. of Petrol./Minerals, Box 203, Dhahran 31261, Saudi Arabia
来源：
Active and Passive Electronic Components | 2004年 / 27卷 / 03期
关键词：
Amplifiers (electronic) - Approximation theory - Bandwidth - Computer simulation - Feedback - Heterojunction bipolar transistors - Neural networks - Resistors;
D O I：
10.1080/08827510310001648988
中图分类号：
学科分类号：
摘要：
A new current-mode analog circuit configuration that implements the function ln(x/y) is proposed. The circuit uses bipolar transistors and resistors and is suitable for integration. In the proposed circuit the ratio (x/y) can be larger or smaller than unity. Simulation results are included.
引用
收藏
页码：183 / 187
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