分析说明了二线制变送器的恒流源设计及变送器的整机电路。
The design of the constant current source in two-wire transmitter and the integrated transmitter circuit are analysed.
该系统包括恒流源、光功率反馈、保护电路、温度控制等部分。
The system is composed of stable current source, light power feedback, protection circuit, and temperature controller.
本文介绍一种不用恒流源而直接用电压源为霍尔元件供电的方法。
This article introduces a method of direct usage of voltage source as a power for Hall element instead of constant current system.
在恒流源设计上，本文简略给出放电电容和限流电阻的估算方法。
The estimating methods of the values of the discharge capacitor and limiting resistance in design of the constant current source are also given.
用恒流源为直流电位差计供电可以简化操作过程，提高工作效率。
The supply electricity using permanent current source for the DC potentiometer can simplify working processes and raise working efficiency.
应用自动控制原理来设计这种恒流源，可以获得必要的幅度稳定性。
The application of automatic control principle to the design of such a source makes the required amplitude stability possible.
此方案中的电源系统由数字控制电路、电流叠加开关和恒流源组成。
In this plan, the power source system was make up of by the digital control circuit part and current adding switch part and constant current source part.
调光时需将调光控制器安装至每个需调光的平板灯的恒流源对应接口。
Collect the controller to the constant current source of each panel lights when dimming is needed.
结合高压启动恒流源设计了一种用于离线式开关电源的内部电源电路。
For the use of off-line switching mode power supply IC, an internal power supply circuit combining with a high voltage startup current source is proposed.
本文介绍了一种实用型的基于单片机的高稳定度半导体激光器恒流源。
This paper introduces a kind of practical Laser constant source with high stability based on MCU.
该模型将变量液压泵等效为液阻、压力突变、恒流源构成的一般液压元件。
By the new model, a variable displacement hydraulic pump is simulated by the ordinary hydraulic component with hydraulic resistance, abrupt pressure change and invariable flow.
提出一种用恒流源测低电阻的方法，并通过对康铜线绕低电阻进行实际测量。
This paper presents a determining method on low-resistance by using a constant current source.
将自适应逆控制理论应用于高精度恒流源的设计，系统结构简单，易于实现。
The adaptive inverse control theory has been applied in the design of a constant current source with high precision, which can be made easily as simple circuit structure.
理论分析将负载作为电阻考虑，避免了将负载看作恒流源时给计算带来的误差。
In the theoretical analysis the load is supposed as a resistor to void the calculating error while the load is treated as a constant current source.
开发了一种基于电流闭环反馈控制的数控直流恒流源，介绍了该电路的设计思路。
DC constant current power supply circuit based on current closed-loop feedback control is brought (forward) in this paper and how to design the circuit is also emphatically introduced.
从基本电路的稳定度公式出发，讨论了采用恒流源负载和辅助电源的稳定度表达式。
From the stability formula of the base circuit, the stability expression within constant current source and assistant power is discussed.
该电路采用恒流源供电的输入电路，提高了信号电压v _t与温度t的线性度。
The constant current supply for the input circuit is adopted, improving the linear relation between the signal voltage v, and temperature t.
恒流源负载的思路取自胆管在恒流源负载的条件下可以接近完美的线性（接近零失真）。
The idea behind the constant current load is that with a constant current load, the valve is almost perfectly linear (near ZERO distortion).
传统的激光器恒流源多为纯模拟的产品，功能单一，操作烦琐，对激光器的保护不完善。
Traditional laser constant sources are mostly analogue products, whose function is singular, operation is troublesome, protect part is not perfect.
检测仪器除了恒流源外，主要还有温度补偿、脉冲形成、脉宽鉴别以及编码、译码等电路。
In addition to the current source, the detecting instrument mainly contains the circuits for temperature compensation, pulse formation, pulse duration discrimination and encode, decode.
从恒流源内阻和形成输出电流误差两个方面，给出用运算放大器构成压控恒流源的分析结果。
Typical analysis of the constant-current resistance and the output current error, The writer gives the analysing process by means of operational amplifier.
大功率半导体激光器驱动电源内置恒压源，通过控制采样电阻两端电压调节恒流源电流大小。
Current driver of high power LD with inner constant voltage source adjusts the output current of the driver by controlling the voltage of the sampling resistance.
结果表明，用同步可调恒流管串联式电路制作的激光器恒流源具有很好的恒流特性和保护性能。
It is concluded that the laser constant current source made of the synchronously adjustable tandem constant current tube has high constant current characteristic and protective property.
主要内容如下： （1）设计了恒流源模块、激励测量模式设置模块、信号检测模块及采集模块。
The main work is as follows:(1) We design a source current module, a pattern-setting module, a measure module and a acquire module.
设计制作出一个幅值可调的恒流源及其测试系统，实现稳压二极管电压漂移参数的检测，至关重要。
To design and manufacture a constant-source with adjustable amplitude value and the test system, and to realize the examination of zener diode voltage drift parameter, is very important.
对控制系统的硬件进行了研究，包括TMS320C 31控制板，数控恒流源和位移数据采集通道。
The control system hardware is studied, including the TMS320C31-based digital signal processor board, constant current source, displacement data collected channel.
对控制系统的硬件进行了研究，包括TMS320C 31控制板，数控恒流源和位移数据采集通道。
The control system hardware is studied, including the TMS320C31-based digital signal processor board, constant current source, displacement data collected channel.
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