程控电流源,program controlled current source
1)program controlled current source程控电流源
1.The paper briefly introduces its functions,characteristics,basic structures and pin function,points out the project and circuit of A/D conversion project which AD7840 is used to design inprogram controlled current source.简要介绍了14位串/并行数模转换器件AD7840的功能、特性及其基本线结构和引脚功能,给出了采用AD7840设计的LED程控电流源的D/A转换方案及电路。
英文短句/例句
1.14-Bit Serial and Parallel D/A Converter AD7840 and Its Application in Program Controlled Current Source;14位串/并行D/A转换器AD7840及在程控电流源中的运用
2.Application of programmable DC power supply control based on VISA in heat flux simulations基于VISA的程控直流电源控制技术在热流模拟中的应用
3.This paper describes the principle of sin voltage source and current source that can be programme controlled.文章主要介绍程控正弦功率电压源和电流源校表仪的原理。
4.Low voltage DC power is also provided for control power and emergency power.低压直流电作控制电源和应急电源。
5.The Research on Rectifier DC Electrical Source for Electrolyzing Cuprum and Monitor Technique;电解铜整流直流电源及监控技术研究
6.Research on Shunt Active Power Filter based on Supply Current Control Method电源电流控制的并联有源电力滤波器研究
7.An Approach of the Thyristor-controlled DC Source for Pollution Test可控硅控制直流污秽试验电源的探讨
8.Digital DC Voltage-stabilized Power Source Based on Single chip Microcomputer;基于单片机控制的数控直流稳压电源
9.Design of Numerical-Control DC Supplier Based on 80C196基于80C196的数控直流电流源设计
10.Design of the digital controlled DC current source based on AT89S52基于AT89S52的数控直流电流源的设计
11.Simulation of the Control Strategy of Current Source Supply PM Motor;电流源型永磁电机控制方法仿真研究
12.Design of PWM DC-DC Buck Switching Converter Based on Current-mode Technology;一种电流模式控制PWM开关电源的设计
13.A CMOS current controlled oscillator for switching power supply应用于开关电源的CMOS电流控制振荡器
14.Design on the Numerical Control DC Current Sources Based on the SCM;基于单片机控制的数控直流电流源设计
15.The Way to List the Equation of the Return Circuit with Unattended Current Source;含无伴电流源电路回路电流方程列写法
16.Selection of DC control protection component in DC power supply system直流电源系统中直流控制保护电器的选择
17.Start-up Control of VSC Based on HVDC System电压源换流器型直流输电系统的启动控制
18.Research on Program-controlled Power with Single Chip Microcomputer for Electrothermal Atomizer电热原子化器的单片机程控电源研制
相关短句/例句
program-control DC power直流程控电源
1.Study and application ofprogram-control DC power for thermal manikin;暖体假人直流程控电源的研究与应用
3)programmable AC power supply程控交流电源
1.The principle and structure of the DDS chip AD9832 are explained,the hardware electric circuit ofprogrammable AC power supply,which is composed of AD9832,and its software programming are introduced in detail,and then the relevant experimental results are given.详细介绍了DDS芯片AD9832的原理结构以及由此构成程控交流电源的硬件电路及软件编程,并给出了相关实验结果。
4)programmable DC power程控直流电源
1.Application ofprogrammable DC power supply control based on VISA in heat flux simulations基于VISA的程控直流电源控制技术在热流模拟中的应用
5)programmable power source程控电源
1.Application of DSP TMS320LF2407 to the design ofprogrammable power source;DSP TMS320LF2407在程控电源设计中的应用
2.The system was composed of theprogrammable power source,the insulation resistance test loop,the earth resistance test loop,the signal sampling,the regulate circuit and the controller system.本文介绍了绝缘电阻和接地电阻测试的基本原理,设计了符合IEC6101标准的绝缘电阻、接地电阻测试系统,系统由程控电源、接地电阻测试回路、绝缘电阻测试回路、信号采样、调理电路和控制器系统等部分组成。
6)programmable power supply程控电源
1.Design of PC bus board inprogrammable power supply;程控电源PC总线控制板卡的设计
2.With the development of power electronic technology, combining the power electronic technology with the automatic measurement technology, the design of theprogrammable power supply can be simple and feasible.随着电力电子技术的发展,将电力电子技术与自动测量技术相结合,便可以使程控电源的设计变得简单可行。
3.The paper introduces the performance characteristics of DSP TMS320LF2407, and presents its application in the design ofprogrammable power supply, of which the principle diagram is given.介绍了 TI公司 DSP TMS32 0 L F2 4 0 7的性能特点及其在程控电源设计中的应用 ,给出了基于 TMS32 0 L F2 4 0 7的程控电源原理
延伸阅读
电流源电流源current sources增加而有所减小，如图3所示。这时电源的电路模型可用一个电流源和一个电阻的并联电路来表征，如图4。图中R。称为电源的内阻。当端电压为。时，直流电源端电流的变化△i二15一i可视为其内阻上的分电流，即△i~探/R，。djo川Ju丫uo门电流源(eurrent SoureeS)通过的电流与其端电压无关的有源元件。它是一个二端电路元件，通过其中的电流保持为一恒定值或一确定的时间函数，而端子间的电压可为任意值，随所接外电路的不同而不同。当电流源的电流为某一恒定值时，称其为直流电流源;当为某一时间函数时，则可按其具体的函数形式而定名，如正弦电流源，方波电流源等。在电路理论中，电流源一般用图1所图万电示的图形符号表示。流得的图 电流源的电压、电流关系，在如图所示潜符号及 卜，、卜、__L_、电路的蚕考万回卜，叫表不为卜图2电流源的伏安特性 {髯为任意值若把电压u和电流i分别取为纵坐标和横坐标，所画出的电压、电流关系曲线称为伏安特J性曲线。直流电流源的伏安特性是一条与i轴交于I，且与i轴垂直的直线，如图2所示。实际电源中，如光电池、电子稳流电源等的伏安特性近似于直流电流源，但其端子电流会随着端电压的┌─┐│日│└─┘图3实际电流源的伏安特性图4实际电流源的一种模型
