基于跨导放大器的环路补偿分析  

Loop Compensation Analysis Based on Transconductance Amplifier

作　　者：欧长江 OU Chang-jiang(No.43 Research Institute of CETC,Hefei 230088,China)

机构地区：[1]中国电子科技集团公司第四十三研究所,合肥230088

出　　处：《混合微电子技术》2020年第4期30-34,38,共6页Hybrid Microelectronics Technology

摘　　要：本文阐述了跨导放大器补偿网络在开关电源环路工作过程中的作用,并以Buck电路为例,通过Matlab软件的波特图仿真功能进行分析,阐述了跨导放大器在环路中,如何通过频率补偿,使系统工作在更加稳定的状态。最后,用模拟实验验证理论对工程实践的指导作用。In this paper,the role of the transconductance amplifier compensation network in the switching power supply loop is described.Taking the Buck circuit as an example,the waveform simulation function of Matlab software is used to analyze the transconductance amplifier in the loop,how to make the system work in a more stable state through frequency compensation.Finally,the guiding role of the theory in engineering practice is verified by simulation experiments.

关 键 词：跨导放大器 环路补偿 传递函数 

分 类 号：TN722[电子电信—电路与系统]