Based on the whole chip function requirements , sub - block design and simulation were completed , including bandgap voltage reference , oscillator , slope compensation , current sensing , control and drive logic 在子电路的设计上,作者主要介绍了带隙基准电压源、振荡器、斜坡补偿、电流感应、控制和驱动逻辑。
The circuit design of bandgap voltage reference is completed , considering the high order temperature compensation with real resistors . the circuits designed have been simulated , using csmc 0 . 6um cmos parameter files 在考虑利用实际电阻的温度系数来进行带隙基准高阶温度补偿的基础上,实现了带隙电压基准源的电路设计。
The finite element method incorporated with floquet theorem is used to solve the 2 - dimentsional scattering problem of dielectric electromagnetic bandgap upon which a plane wave is oblique or perpendicular incident 采用有限元和floquet定理相结合的方法，对不同参量的二维介质电磁带隙ebg结构的反射和传输特性进行了研究。
In the reflected wave , the reflectivity of forbidden band lowers quickly with the extinction coefficient increment , when the extinction coefficient increases to 0 . 05 , there is already no obvious photonic bandgap 得出：在反射波中，禁带的反射率随消光系数的增加而迅速降低，当消光系数增加到0 . 05时，已经不存在明显的能带。
So far , the bandgap reference is the most popular circuit , which successfully achieves the requirements mentioned above . it exhibits both high stability and low temperature coefficient , also has low noise and simple topology 其中，带隙基准电压源因其高稳定度、低温漂、低噪声且构成简单等优点而得到普遍重视，亦为本文所采用。
Second , the theory of sub - block circuits which include bandgap voltage reference , over temperature protection , output over voltage protection and input under voltage protection was analyzed and these sub - block circuits were simulated using hspice 在设计子电路模块时,主要分析了以下四个模块:带隙基准电压源、过温保护电路、过压保护电路和欠压保护电路。
In this paper , a precise cmos bandgap voltage reference which uses the difference of mos source - gate voltage to perform efficient curvature compensation is described in detail , which is compatible with standard digital cmos process 论文详细描述了一个运用标准数字cmos工艺实现的、采用mos管的栅源电压差进行有效的温度曲率补偿的带隙基准电压源电路的设计。
Much effort has focused on eliminating these unwanted defects from the self - assembled material , and extremely ordered photonic bandgap crystals have been made . however people ca n ' t control the defect during the self - assembling 在本方法的基础上利用光镊技术对产生的缺陷进行修复以及对生成的晶体进行修整，从而达到去除缺陷的目的，生成大面积无缺陷的的三维光子晶体。
In this paper the present situation and developmental trend of voltage reference studies both at home and abroad will be presented , the performance index of voltage reference will be introduced , and also the principle of bandgap voltage reference will be analyzed 本文首先介绍了电压基准源的国内外发展现状与趋势,给出了电压基准源的性能指标,分析了带隙电压基准源的原理。
In this thesis , analysed and designed the architecture of the new type cmos rail - to - rail operational amplifiers in detail , and successfully designed one of two stage compact cmos rail - to - rail amplifier and the cmos bandgap reference current source 本次论文详尽地分析和研究了新型cmosrail - to - rail运算放大器的结构，完成了两级压缩式cmosrail - to - rail运算放大器和cmos带隙参考电流源电路的设计。
