constant-current source

A new converter integrated multi-function with constant-voltage, constant-current and welding power source

具有恒电压源、恒电流源和焊接电源功能的变换器设计

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The current-exciting and current-output mode is of the best combination property, but it's difficult to get a high-precision AC constant-current source. The voltage-exciting and current-output mode has the advantages of both modes and is the ideal working mode for the current comparator.

电流激励、电流输出模式具有最好的综合性能，但高精度交流恒流源的实现较为困难：电压激励、电流输出模式兼具两者的优点，是比较仪电桥较为理想的工作模式。

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The output current of the constant-current source is between 1 μ A and 100 μ A and its relative error is less than 5%.

恒流源的电流的输出范围为1～100μA，相对误差小于5%。

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At first, the characteristics of the driving power amplifier were introduced, and the overall design method of the driving power amplifier was put forward, and then constant-current source circuit and power amplifier circuit of current feed-back were developed separately.

首先，介绍了高频激振器驱动电源的特点，提出了驱动电源的整体设计思路，分别设计了直流恒流源电路与电流反馈型功率放大电路；

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The hardware system includes power supply circuit, clock reset circuit, JTAG model building circuit, decoding circuit, memory interface circuit, man-machine interface circuit and numeric control constant-current source interface circuit.

硬件系统主要包括电源电路、时钟复位电路、JTAG仿真接口电路，译码电路、存储器接口电路、人机接口电路、ADC转换电路和数控恒流源接口等。

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Plane diffraction grating, logarithmic amplifier and stable constant-current source are used in the system, thus the performance of the instrument is enhanced significantly and the cost is reduced.

系统采用了平面衍射光栅、专用阵列探测器、对数放大器以及高稳定恒流源，有效地提高了仪器的整体性能，同时降低了生化分析仪的成本。

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Combined type of precise constant-current source

复合型精密恒流源

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Pulse constant-current source based on capacitor discharge

电容放电式脉冲励磁电源研究

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Throughout the house, the views are a constant source of surprise and delight.

从房子各处看到的景色不断给人以惊奇和欣喜。

《柯林斯高阶英汉双解学习词典》

Design of a High Precision Digital Constant-current Source for improving the Stability of LED

提高LED稳定性的高精度数控恒流源

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A pulse constant-current source based on capacitor discharge was developed for LIA accelerator.

针对大型直线感应加速器单次工作的特点，研制了一种电容放电式脉冲励磁电源。

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From the very beginning of school we make books and reading a constant source of possible failure and public humiliation.

从入校起，我们就把书和阅读作为可能失败和遭到公众羞辱的一个持续源头。

高考真题- 2015 浙江 阅读A

Six-phase constant-current induction motor is a special motor designed as a load for current source inverter. It has a winding of 30 ° space phase band. This kind of motor can alleviate the harmonic problems caused by power supply of constant-current source.

六相恒流电机是一种作为二重化电流源型逆变器负载的特殊电机，采用了空间30°相带绕组，能较好的缓解由于恒流源供电而产生的谐波问题。

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The threat of losing their jobs is a constant source of worry to them.

丢掉工作的威胁时常使他们忧心忡忡。

《牛津高阶英汉双解词典》

It was proved that magnetic bearing with constant-current source has less power loss than conventional active magnetic bearings.

证明了恒流源偏置磁悬浮轴承在稳定悬浮时比传统主动磁悬浮轴承的功率损耗小。

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The system has high precision and stability, because the temperature property of break-over resistance of the multi channel analog switch is compensated momentarily, and the variation of platinum resistance that accompanies temperature change can influence the output of constant-current source.

因在线补偿模拟多路开关的通态电阻温度特性和温度变化时被测铂电阻的阻值变化对恒流源电流的影响，设计的温度测量系统精度高、稳定性好。

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This paper introduces the design of a medical LD system, including its optics, constant-current source, protective circuit, temperature control and structure.

本文介绍了一种医用半导体激光系统的光路、恒流源及控制保护电路、温控、结构等方面的设计。

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In this thesis it also gives the design of the driver of the light source. The driver is composed by constant-current source and temperature controller.

本论文还详细介绍了SLED光源驱动部分的设计，以恒流+温控的驱动方式使光源稳定工作。

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It includes Digital constant-current source driver circuit 、 Photoelectric detection circuit and temperature control circuit.

它包括数字化恒流源驱动电路，光电检测电路和温控电路等。

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Tonnage Indicator Excited by Dual Constant-current Source Used in Press

双恒流源激励的压力机用吨位指示器

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Enhancing the number-noise squeezing of output light of a LED driven by high-impedance constant-current source using negative feedback

负反馈提高高阻恒流源驱动的LED的输出光场噪声压缩量

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Shortcomings of the ordinary non-balance electric bridge with constant-voltage source were analyzed, and a linear non-balance electric bridge with constant-current source was presented.

摘要分析了常用的恒压源非平衡电桥的缺点，提出了一种恒流源线性非平衡电桥。

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To avoid platinum generate heating because of large current, signal acquisition circuit adopted 0.5 mA constant-current source circuit.

在信号采集部分为避免铂电阻温度传感器因电流流过而产生焦耳热，系统采用0.5mA恒流源电路。

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The overall design method of the power supply is put forward, constant-current source circuit and AC source circuit are developed separately;

提出了功放系统的整体设计思路，分别设计了恒流源电路与交流放大电路；

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Research on high precision multichannel thermoscope based on constant-current source

基于恒流源的多路高精度测温仪的研究

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Always switch off the power supply after using electrical equipment. Study of constant-current source for measuring DCR of large electric power equipment

电气设备使用完毕后，一定要关掉电源。电力设备直流电阻测量用恒流源研究

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This instrument is characteristic of possessing an adjustable constant-current source, fast and steady data readout, and motor-driven up and down motion of the probe.

该测试仪具有恒流源电流可调，数据读出迅速、稳定，四探针探头上升和下降电动化的特点。

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Study of constant-current source for measuring DCR of large electric power equipment

电力设备直流电阻测量用恒流源研究

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Intermittent power supply of constant voltage source in strain type sensor

应变式传感器恒压源间歇供电

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High-efficiency controllable constant-current source

一种高效可控恒流源

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