Low-Power Low-Voltage Class-AB Linear OTA for HF Filters with a Large Tuning Range

被引：0
|
作者：
J.A. Galán
R.G. Carvajal
F. Muñoz
A. Torralba
J. Ramírez-Angulo
机构：
[1] University of Sevilla,Department of Electronics Engineering, Engineering School
[2] NMSU,Department of Electrical Engineering, klipsch School of Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2003年 / 37卷
关键词：
linear OTA; class AB; transconductor;
D O I：
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中图分类号：
学科分类号：
摘要：
This letter presents a new low-voltage class-AB differential linear OTA. The proposed transconductor uses a novel scheme based on two cross-coupled class-AB pseudo-differential pairs biased by a Flipped Voltage Follower [1]. The transconductor has been designed using a 0.8 μm CMOS technology to operate at 2 V supply voltage with only 260 μW of quiescent power consumption. Simulation results show 90 MHz bandwidth with more than two decades of transconductance tuning range.
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页码：275 / 280
页数：5
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