Microsoft Word - 张东_new_.doc 关键词: 噪声 ; 带隙基准电路 ; 版图 [gap=1092]Keywords: noise; band-gap reference circuit; layout
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Analysed and compared with many structure of reference circuit,the PTAT bandgap reference circuit is chosen as the basis to design because of its good performance.
本文在分析比较各种基准电压源性能的前提下,最终选择了以基于PTAT（与绝对温度成正比）改进的带隙基准源电路作为设计的基础,并对其原理进行了详细的分析。
参考来源 - 高精度低漂移集成电压源研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper introduces a low supply voltage band -gap reference circuit which used a self-bias cascode current mirror.
因此介绍了一种采用自偏置低压共源共栅电流源的带隙基准电路结构，用两个电阻代替了偏置电路。
The factors which will be encountered are descried and modules include anti-aliasing filter, clock circuit, band gap voltage reference, sc integrator, latched comparator and DAC are designed.
最后在考虑实际因素的基础上，依次设计了时钟产生电路、前置滤波器、带隙基准源、开关电容积分器、锁存比较器和DAC等子模块电路并做了仿真。
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