Phase-margin enhancement technique for recycling folded cascode amplifier

被引：0
|
作者：
Xiao Zhao
Huajun Fang
Jun Xu
机构：
[1] Tsinghua University,Institute of Microelectronics
来源：
Analog Integrated Circuits and Signal Processing | 2013年 / 74卷
关键词：
Phase-margin enhancement; Recycling folded cascode amplifier; High-speed current mirror;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A novel circuit technique for enhancing the phase-margin of the recycling folded cascode amplifier is presented. Compared to the conventional recycling folded cascade, using a high-speed current mirror, the proposed amplifier offers the advantage of cancellation of the first non-dominant pole, allowing the phase-margin to be enhanced without affecting the bandwidth. The proposed amplifier was implemented in CSMC standard 0.18 μm CMOS process. Simulation results show that the phase-margin enhancement of 20° is achieved without limiting the bandwidth.
引用
收藏
页码：479 / 483
页数：4
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