Very Low Voltage Rail-to-Rail Programmable-Gain CMOS Amplifier

被引：0
|
作者：
Jaime Ramírez-Angulo
Antonio J. López-Martín
Ramón G. Carvajal
Chad Lackey
机构：
[1] New Mexico State University,Klipsch School of Electrical and Computer Engineering
[2] Public University of Navarra,Department of Electrical and Electronic Engineering
[3] Universidad de Sevilla,Dpto. de Ingeniería Electrónica, Escuela Superior de Ingenieros
来源：
Analog Integrated Circuits and Signal Processing | 2003年 / 37卷
关键词：
low-voltage amplifiers; low-voltage analog circuits; analog CMOS circuits;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A novel design technique for operating closed-loop amplifier circuits at very low supply voltages is proposed. It is based on the use of quasi-floating gate transistors, avoiding issues encountered in true floating-gate structures such as the initial floating-gate charge, offset drift with temperature, and the gain-bandwidth product degradation. A programmable-gain differential amplifier is designed and implemented following this method. Measurement results of an experimental prototype fabricated in a 0.5-μm CMOS technology validate on silicon the proposed technique.
引用
收藏
页码：269 / 273
页数：4
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