基准源的英文

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英文翻译
造句

reference source

基准 datum standard; criterion; r ...
源 source; fountainhead
精密基准源 lm399h
参考源基准源定标源 referencesource
标准源 alpha beta standard source; standard source
校准源 calibrated source; calibration source
226ra外标准源 radium226ra external standard source
绝对校准源 absolute calibration source
镭标准源 radium standard; radiumstandard
内标准源法 internal standard method
内校准源 internal calibration source
热校准源 thermal calibration source
外标准源 external standard source
基准 1.[测量学] (测量时的起算标准) datum2.(泛指标准) standard; criterion; reference; basic standard◇基准点 reference point; datum point; 基准色 reference colours
①标准②校准器③标准源 permanent reference
放射能标准源 radioactive etalon; radioactiveetalon
放射性标准源 radioactive standard source
外标准源道比 external standard channels ratio
基准；基准面 datum
基准的基准 reference of reference
基准线；基准面 datum line
平板标准源通用技术条件 general specifications of planar standard sourcesrces
升阳工业标准源许可证 sun industry standards source license sissl
外标准源康普顿边缘法 external standard compton edge method
dos基准 dos based / version

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例句与用法

Consequently , an integrate switch mode power supply with high efficiency and good reliability can be realized by the controller with very few external parts . the fundamental principle of monolithic voltage - mode switching regulator is firstly introduced in this thesis , which is followed by a comparison between voltage - mode and current - mode converters where the pros and cons of both converters are discussed in detail ; next , the global system architecture is proposed upon the design requirements and sub - block circuits are also introduced that focuses on several essential sub - blocks such as amp , wave , pwm control , psc , osc and vref . finally , all sub - circuits and the whole chip circuit are simulated by hspice whose results indicate that the circuit function and performance have perfectly satisfied the design requirements
在论文中,首先阐述了电压控制模式pwm开关电源的基本原理,对比了电流控制模式和电压控制模式,分析了各自的优缺点;随后根据设计要求进行了电路的总体设计,完成了各个子电路的原理分析,电路设计和仿真验证,重点阐述了误差放大电路、三角波发生电路、 pwm控制电路、节能控制电路、振荡电路和基准源电路的分析、设计和验证过程;最后,利用eda软件hspice对整体电路进行了功能仿真验证,仿真结果表明,本文完成了设计工作,达到设计要求。
The hspice simulation result shows a temperature coefficient of 11 ppm / " c from - 40 ? to 100 ' c and output voltage variation of 1mv for supply voltage range from 8 v to 18 v . due to novel curvature compensation , the circuit structure of the proposed reference is simple and both chip area and power consumption are small
Hspice仿真结果显示：该基准源在- 40 100的温度变化范围内，具有11ppm的低温度系数；当电源电压在8 18v变化时，输出电压变化量仅为1mv ；并且电路结构简单，具有较小的芯片面积和功耗。
The chip can be widely used in mp3 player , pda , digital camera , cells phone and portable products etc . this thesis first introduces the basic theory of switching power supply . the operating theory of this circuit has been demonstrated . the operating principle and simulation analysis about band gap reference , self - biased current source , one shot circuit , hysteresis comparator , and current - limit circuit have been particularly expounded in this thesis
本文首先阐述了开关电源的工作原理,详细介绍了本电路的整体工作原理,最后重点介绍了自偏置电流源电路、基准源电路、单稳态触发器电路、峰值电流限制及低电池电压迟滞比较器的工作原理,并利用eda工具larker ? ams 、 hspice对电路进行了完整的设计和模拟仿真,给出了合理的电路数据,各子模块电路的电特性参数均达到或优于设计所需指标。
The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power , and analyzes the principles of work , merts and shortcomings of these technologies , based on the absorption of these technologies , it designs a 1 . 5v low power rail - to - rail cmos operational amplifier . when designing input stage , in order to enable the input common mode voltage range to achieve rail - to - rail , it does not use the traditional differential input pair , but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure , and uses the proportional current mirror technology to realize the constant transconductance of input stage . in the middle gain stage design , the current mirror load does not use the traditional standard cascode structure , but uses the low voltage , wide - swing casecode structure which is suitable to work in low voltage . when designing output stage , in order to enhance the efficiency , it uses the push - pull common source stage amplifier as the output stage , the output voltage swing basically reached rail - to - rail . the thesis changes the design of the traditional normal source based on the operational amplifier , uses the differential amplifier with current mirror load to design a normal current source . the normal current source provides the stable bias current and the bias voltage to the operational amplifier , so the stability of operational amplifier is guaranteed . the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本论文对国内外的模拟低电压低功耗技术做了广泛的调查研究,分析了这些技术的工作原理和优缺点,在吸收这些技术成果基础上设计了一个1 . 5v低功耗轨至轨cmos运算放大器。在设计输入级时,为了使输入共模电压范围达到轨至轨,不是采用传统的差动输入结构,而是采用了nmos管和pmos管并联的互补差动输入对结构,并采用成比例的电流镜技术实现了输入级跨导的恒定;在中间增益级设计中,电流镜负载并不是采用传统的标准共源共栅结构,而是采用了适合在低压工作的低压宽摆幅共源共栅结构;在输出级设计时,为了提高效率,采用了推挽共源级放大器作为输出级,输出电压摆幅基本上达到了轨至轨;本论文改变传统基准源基于运放的设计,采用了带电流镜负载的差分放大器设计了一个基准电流源,给运放提供稳定的偏置电流和偏置电压,保证了运放的稳定性;并采用了带调零电阻的密勒补偿技术对运放进行频率补偿。
High definition digital to analog converter and high performance analog integrated filter among a practical system of communication , during the research work , we gain a lot of new high performance circuits of digital to analog converter and analog integrated filters with enhancement of high characteristics and realization of new structure circuit , which have been successfully applied in communication integrated circuits , and receives better practical application effect
本文紧跟国际学术研究热点，结合一实际通信系统中包括有上述基本单元电路，将对数模转换器、滤波器以及基准源电路的研究重点放在了其高性能指标的提高以及新结构电路的实现上，得到了一系列高性能特性的数模转换器、滤波器和基准电压源电路。
A switch ic for analog signal processing is designed and implemented , which can fulfill the functions of sampling , weighting , controlling and summing of high frequency analog signals . the circuit consists of three parts : four channel analog switches , a voltage reference and the control circuitry . each analog switch is comprised of two high - transconductance n - mosfets with high w / l ratio , which realize the fine tuning and coarse tuning of the input signal respectively
本文研究并设计了一种可对高频信号进行取样、加权、控制、叠加的模拟信号处理丌关集成电路，它包括模拟开关、电压基准源和移位寄存器三个功能模块，通过两个高宽长比的高跨导nmos晶体管实现权值的粗调和微调。
The basic principles of several voltage references were analyzed and the reference which is suitable for the practical application was selected . further , the methods of improving power supply rejection and high - order temperature coefficient compensation was studied and the voltage reference after tape out was tested , the test results were analyzed too
分析了几种电压基准源的基本原理并从中选出适合实际应用的基准源,研究了提高电源电压抑制比和高阶温度系数补偿的方法,还对实际用的基准源进行了流片后的测试及测试结果分析。
In this circuit , reference current sources are used to charge and discharge capacitors . this oscillator ’ s output is very ideal through control circuit under 5 . 7v reference voltage , and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted . and the changes of temperature and voltage affect stabilize of the frequency little
此电路利用系统内部基准源产生的电流信号来对电容进行充放电,然后经过控制电路作用后,产生的输出振荡波形的上升时间和下降时间非常小,更接近理想矩形波形;通过调节基准源电流信号或者电容值大小,可调节振荡波形的频率和占空比,同时温度和电压的变化对振荡器输出波形频率稳定度的影响很小。
By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits , type of current density ratio compensation 、 weak inversion type and type of poly gate work function , a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper . applying the negative feedback technology , an output buffer and multiply by - 2 - circuits are designed , which improve the current driving capability
然后通过比较和分析电流密度比补偿型、弱反型工作型和多晶硅栅功函数差型三种带隙电压基准源电路结构的优缺点,确定了电流密度比补偿型共源共栅结构作为本设计核心电路结构,运用负反馈技术设计了基准输出缓冲电路、输出电压倍乘电路,改善了核心电路的带负载能力和电流驱动能力。