Single Miller capacitor frequency compensation with nulling resistor for three-stage amplifiers

被引:2
|
作者
Cannizzaro, S. O. [1 ]
Grasso, A. D. [1 ]
Palumbo, G. [1 ]
Pennisi, S. [1 ]
机构
[1] Univ Catania, DIEES, I-95125 Catania, Italy
关键词
D O I
10.1109/ECCTD.2007.4529678
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A frequency compensation technique for three-stage amplifiers is introduced. The proposed solution exploits only one Miller capacitor and a resistor in the compensation network The straightness of the technique is used to design, using a standard CMOS 0.35-mu m process, a 1.5-V OTA driving a 150-pF load capacitor. The dc current consumption is about 14 mu A at DC and a 1.6-MHz gain-bandwidth product is obtained, providing significant improvement in both MHz.pF/mA and (V/mu s).pF/mA performance parameters.
引用
收藏
页码:643 / 646
页数:4
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