Modeling of operational amplifier based on VHDL-AMS

被引：0
|
作者：
Qin, Huabiao [1 ]
Wang, Fei [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Peoples R China
来源：
2006 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS, VOLS 1-3 | 2006年
关键词：
VHDL-AMS; operational amplifier; modeling; behavior level;
D O I：
暂无
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：
VHDL-AMS provides a uniform modeling and simulation method for analog and mixed signal system. As the most general unit in analog circuit, the VHDL-AMS model of operational amplifier (OPAMP) can be divided into three parts: input level, middle level, and output level. This paper presents a complete and accurate OPAMP model after detailed analysis on its characteristics. The simulation results show the open-loop and closed loop frequency responses, output saturation, and the slew rate of operational amplifier are truly reflected by this model.
引用
收藏
页码：894 / 897
页数：4
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