有源负载单端输出CMOS差分放大器分析

Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI:10.1109/MELCON.2004.1346900

Z. Butkovic, A. Szabo

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引用次数: 11

摘要

有源负载单端输出CMOS差分放大器以其优异的性能成为模拟和混合信号应用中最受欢迎的电路之一。差分放大器的分析常常被简化，其行为没有得到适当的解释。本文解释了差动模式下输出晶体管栅源电压与电流变化不相等的事实。身体效应也包括在分析中。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of the CMOS differential amplifier with active load and single-ended output

The CMOS differential amplifier with active load and single-ended output is one of the most popular circuits used in analog and mixed signal applications owing to its amazing performances. Very often the analysis of the differential amplifier is simplified and its behaviour is not explained properly. In this paper the facts that the gate to source voltages and the current changes of the output transistors in the differential mode are not of equal amount are explained. The body-effect is also included into the analysis.

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Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)

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