A high speed and high linearity OTA in 1-V power supply voltage

被引：0
|
作者：
Lo, Tien-Yu [1 ]
Hung, Chung-Chih [1 ]
机构：
[1] Natl Chiao Tung Univ, Dept Commun Engn, Innovat Packaging Ctr, Hsinchu, Taiwan
来源：
2006 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11, PROCEEDINGS | 2006年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes a high performance operational transconductance amplifier (OTA) which is based on the pseudo-differential architecture with addition of linearity improved circuits. The OTA is designed under low power supply voltage consideration while its gain, excess phase, and linearity are well maintained. A common-mode control system, including common-mode feedback (CMFB) and common-mode feedforward (CMFF) circuits, is added to ensure stability at high frequency. Results show that the topology can achieve the total harmonic distortion (THD) to the -56dB with 100MHz balanced differential input signals up to 300mVpp at 1-V supply voltage by the TSMC 0.18 mu m CMOS process. Its power consumption is 1.8mW.
引用
收藏
页码：1864 / +
页数：2
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