恒流源

实验结果显示LED恒流源的设计达到了预期的设计目标。

The results show that the design of the LED constant current source meets the design goal .

具有恒流源的单结晶体管移相触发电路工作原理试探分析及其新设计方法

The Principle and New Design Method of Unijunction Transistor Phaseshift Trigger Circuit with Constant Current Source

恒流源LED触摸台灯的设计

A Design of Constant Current LED Desk Lamp Controlled by Touching

用于大功率LED驱动的单端反激恒流源设计

Design of Constant Current Source based on Single Flyback for Driving High-power LED

本文主要对LED的恒流源技术进行了分析研究。

Constant current source technology of LED is analyzed and studied in the thesis .

提高LED稳定性的高精度数控恒流源

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

多芯片LED与恒流源一体化混合集成设计

Hybrid integrated design of the more LED chips with gather constant current diode IC circuit

最后给出了LED恒流源的设计结果，并做了相应的分析。

Finally , the design result of the LED constant current source and the corresponding analysis are given .

CMOS亚阈偏置恒流源的分析与设计

Design and Analysis of a Sub-threshold Operation CMOS Reference Current Source

净化：电收尘全改用宽极距C形板，采用高压恒流源送电；

Purification system : C-shaped plates with wide polar distance and constant current source with high voltage were adopted in electric precipitation .

可编程双向功率MOSFET恒流源的研制

Study on programmable bidirectional constant - current power based on power MOSFET

PPM量级纹波系数的光电倍增管恒流源

A constent current source for photomultiplier with ripple factor as low as several ppm

与其它恒流源驱动方式相比，开关电源技术有着高效灵活的优点，因此本文基于开关电源技术给出了一种LED驱动电路。

Compared with other driving mode , switching power technology has high efficiency , so the thesis gives a LED driver in detail with switching power technology .

该电路采用恒流源供电的输入电路，提高了信号电压Vt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.

通过反馈闭环PID控制，使数控恒流源电流输出更加精确，减小电流输出误差。

Through the feedback closed-loop PID control , caused the electric current output of the digital constant-current power more precise to reduce the measuring error .

1A高稳定度恒流源的试制

Development of 1A High Stability Constant Current Power

功率因数校正（PFC）作为电力电子技术领域里非常重要的内容，本文对其进行了一些研究，并将其应用于LED恒流源的设计中。

As the very important content in power electronic technology , power factor correction ( PFC ) is studied to design LED constant current source .

基于低功耗MSP430单片机的特点，提出一个用数字化恒流源来控制LED灯光可调的设计思路。

Based on the characteristics of low-power MSP430 MCU , the paper proposes an idea that constant current source control the brightness of LED .

本论文工作主要包括无源OLED的驱动电路恒流源设计及驱动电路设计。

This thesis mainly discusses the design of driving circuit and the constant current source for OLED .

该开关恒流源主要分为两个基本单元，前一单元为Boost型单级PFC变换器，后一单元为反激式软开关变换器。

It consists of two basic units . The first unit is boost-type single-stage PFC converter , the second unit is soft-switching technology flyback converter .

用H桥式恒流源的方式对脉搏探头进行驱动，既可实现脉搏探头LED的分时驱动，又可实现其光源强度的动态调节。

Constant current source with H-bridge was used to drive on the pulse probe , which not only satisfied the time-driven of LEDs , but also achieved its dynamic adjustment of light - intensity .

介绍了确定CMOS运算放大器各级工作点的恒流源偏置电路随辐照总剂量变化的响应特征及其辐照敏感性对运放整体性能参数的影响规律。

The total dose radiation responses of the bias circuits of CMOS operational amplifier 's constant current sources and its influence on the integral circuit performance have been discussed .

本文主要是对电阻性负载与恒流源为负载的差动放大器，利用混合h参数等效电路对其放大倍数进行分析计算与比较。

Comparison between the output gain of the differential amplifier circuits with resistor load and that with the current source load , Both in terms of Transistor with the low frequency hybrid-pi model circuits , Is presented .

硬件的实现是利用热敏电阻通过恒流源激发将温度值转化为电压值，经24位的高精度A/D转换器，转化为便于处理的数字信号提供给DSP。

Taking A / Dvantage of thermal resistance through the constant current source putting the temperature into voltage , and then by 24-bit high-precision A / D converter a convenient digital signal imported into DSP .

25A恒流源系统实验研究与设计

The Study and Design on Constant Current Driver System of 25A

该方案通过采用恒流源、有源区温度控制以及波长锁定等技术方法来实现DFBLD的稳频驱动及控制。

The frequency of DFB LD was driven and controlled through such technology as constant current , temperature control in active area , wavelength lock and etc.

在本论文中，介绍了基于恒流源式的开关电源设计的原理，特别是以白光LED取代以前用的汽车前大灯作为煤矿井下的照明灯具的应用。

In this paper , the author describes the design principles of switching power supply , which is based on the constant current source , especially the car headlights were instead of white LED as a coal mine lighting applications .

在硬件方面，主要设计了升压电路、恒流源电路、信号调理电路、DSP最小系统、A/D模块及系统通信模块电路。

In the aspect of hardware design , the paper mainly designs boost-up circuit , constant current source circuit , signal conditioning circuit , minimum system of DSP , the A / D module and communication module circuit .

采用基于LM2676的开关转换方式，构建了转换效率较高的恒流源系统，并应用于LD驱动。

A switching power-converter current source based LM2676 was designed to drive LD at higher conversion efficiency .

本文研制的功耗均衡式50A恒流源系统具有较高的稳定性。

The paper developed " balanced-50A power constant current source system " has a higher stability .