运算放大器前级电路对环路的影响分析  

Analysis of Influence of the Front Circuit of an Operational Amplifier on the Loop

作　　者：刘嘉敏 张虎 董楠 LIU Jiamin;ZHANG Hu;DONG Nan(Tianshui 749 Electronics Co.,Ltd.,Gansu 741000,China)

机构地区：[1]天水七四九电子有限公司,甘肃741000

出　　处：《集成电路应用》2024年第9期4-5,共2页Application of IC

摘　　要：阐述运算放大器稳定性的特点,分析运算放大器前级电路对环路的影响,包括输入电阻对环路性能影响、输入电容对环路性能影响与补偿、多级放大器前级电路对后级环路的影响与补偿。This paper describes the characteristics of the stability of operational amplifiers,analyzes the impact of the front-end circuit of operational amplifiers on the loop,including the impact of input resistance on loop performance,the impact and compensation of input capacitance on loop performance,and the impact and compensation of the front-end circuit of multi-stage amplifiers on the back-end loop.

关 键 词：电路设计 环路 输入电容 补偿电路 

分 类 号：TN722[电子电信—电路与系统]