摘要..........................................................................................................................................3Abstract.....................................................................................................................................4第一章绪论.............................................................................................................................51.1WSN及带隙基准源电路简介..........................................................................51.2带隙基准源研究历史与现状..........................................................................51.2.1基准源电路设计历史.............................................................................51.2.2基准源电路研究现状.............................................................................51.3本论文的主要内容安排...................................................................................6第二章带隙基准电路的基本工作原理和基本结构分析..............................72.1基本工作原理介绍...............................................................................................72.1.1与电源电压无关的偏置电路设计..................................................72.1.2与温度无关的基准源的实现...........................................................82.2基本结构介绍........................................................................................................102.2.1经典Widlar结构基准电路............................................................102.2.2带有运放功能的kuijk结构..........................................................112.2.3一种新型Brokaw结构.......................................................................122.3关于电路的主要性能指标.............................................................................13第三章设计需了解的电路误差.................................................................................143.1误差原因分析......................................................................................................143.1.1运放本身存在的失调电压..............................................................143.1.2结构参数失配.........................................................................................173.1.3阻值参数失配.........................................................................................173.2带隙基准源电路补偿......................................................................................183.2.1线性特征补偿方式..............................................................................183.2.2阻值加权补偿.........................................................................................193.2.3二阶曲率补偿.........................................................................................20第四章基于Cascode电流镜结构的带隙基准电路仿真与分析.............214.1电路整体设计介绍...........................................................................................214.2启动电路.................................................................................................................224.3电流镜电路...........................................................................................................234.4经典偏置电路...........................................................................................244.5经典wideswingcascode结构...............
