Low-Voltage Class-AB CMOS Output Stage with Tunable Quiescent Current

被引：0
|
作者：
Bian, Zhenpeng [1 ]
Yao, Ruohe [1 ]
Luo, Fei [2 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] S China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2010年 / E93C卷 / 08期
关键词：
class AB; low voltage; operational amplifier; quiescent current control; output stage; AMPLIFIER; CIRCUIT;
D O I：
10.1587/transele.E93.C.1375
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 low-voltage class-AB CMOS output stage with a tunable quiescent current control circuit is presented. It is based on a complementary common source. The quiescent current is detected by a compact circuit and can be adjusted by means of a control current without need to modify the transistor dimensions. The minimum supply voltage can be down to one threshold voltage plus two saturation voltages. It is suitable to drive low resistive loads. Simulation results are provided that are in agreement with expected characteristics.
引用
收藏
页码：1375 / 1376
页数：2
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