搜索资源列表
datasheet
- The LM236-2.5, LM336-2.5, and LM336B-2.5 integrated circuits are precision 2.5-V shunt regulator diodes. These reference circuits operate as low-temperature-coefficient 2.5-V Zener diodes with a 0.2-Ω dynamic impedance. A third terminal pro
LDO
- 收集的9篇关于LDO的研究生学位论文 1、LDO线性恒流型高亮度LED驱动的研究与设计 2、大电流_高稳定性LDO线性电源芯片的设计和实现 3、带有双电子开关的LDO电源管理芯片的设计 4、高精度_低噪声LDO线性调整器的设计 5、基于单片DC_DC的LDO设计 6、集成于GPS射频芯片的LDO设计 7、具有LDO模式的电流模同步降压型稳压器芯片XD1112设计 8、利用Verilog_A对LDO_Charg_省略_自动切换电源管理芯片的Top_ 9、一种基于
dianyuan
- 基于单片机的电源变换器,应用升降压电路,使用红外遥控控制输出电压,并带有自动检查,实现自动调节稳压-Power converter based on single chip, application of Buck, use infrared remote control of output voltage, and with automatic inspection, automatic adjustment regulator
3
- 介绍了一种以单片机为核心的智能化高精度直流稳压电源的设计,通过集成有A/D、 D/A的单片机、三端稳压源、霍尔传感器和上位机组成闭环系统,实现高精度宽范围可调稳 定电压的输出,特别适用于各种有较高精度要求的场合,该电源工作可靠,性能良好,现已 成功用于某导弹遥测系统测试设备。-Abstract:The design was introduced which make single-chip microcomputer as the core of the intelligent hi
wendukongzhi
- keilc-用可调电阻调节电压值作为模拟温度的输入量,当温度低于30℃时,发出长嘀报警声和光报警,当温度高于60℃时,发出短嘀报警声和光报警。测量的温度范围在0-99℃。-keilc-use adjustable resistance regulator voltage input as the simulation temperature, when the temperature is below 30 ℃, issued a long beep alarm sound and light
power_acdrive
- The induction motor is fed by a current-controlled PWM inverter which is built using a Universal Bridge block. The motor drives a mechanical load characterized by inertia J, friction coeficient B, and load torque TL . The speed control loop uses a pr
power_brushlessDCmotor
- A three-phase motor rated 1 kW, 500 Vdc, 3000 rpm is fed by a six step voltage inverter. The inverter is a MOSFET bridge of the SimPowerSystems™ library. A speed regulator is used to control the DC bus voltage. The inverter gates signals are pro
Design-Guide-for-Rectifier-Use
- Design Guide for Rectifier Use A transformer s required secondary A.C. voltage varies greatly with the type of rectifier chosen and filter arrangement. Use the formulas below as a guide based on the D.C. voltage you require and the rectifier/filt
PWM-PID-motor
- 运用PID调节器,实现直流电机在带动负载的情况下也能稳定的运行。运用A/D转换芯片将滑动变阻器的模拟电压转换为数字量作为控制直流电机速度的给定值;用压控振荡器模拟直流电机的运行(电压高-转速高-脉冲多),单片机在单位时间内对脉冲计数作为电机速度的检测值;应用数字PID模型作单片机控制编程,其中P、I、D参数可按键输入并用LED数码显示;单片机PWM调宽输出作为输出值,开关驱动、电子滤波控制模拟电机(压控振荡器)实现对直流电机的PID调压调速功能。-Use of the PID controlle
PWM-parameter-tuning
- 应用 Ma t l a b / S i mu l i n k仿真研究了这种整流器系统的三、c参数和 P I 调节器参数对直流侧电压响应及交流侧谐波与功率因数的影响,提出了一套简单易行、规范化 的设计和参数整定方法。-Ma tlab/S i mu link simulation research of this rectifier system, c parameter and the PI regulator parameters on the response of DC volt
DMX512APV3.1
- 概述 DMX512AP是并联应用单线传输三通道LED驱动输出控制专用芯片,兼容并扩展DMX512(1990)信号协议。芯片内含电源稳压电路,时基电路,信号解码模块,数据缓存器,三通道恒流驱动器(电流值可由外挂电阻调控),以及内置振荡器。每一输出通道皆可输出8位(256级)灰阶的可调线性电流。支持输出端极性反转。单独的写码信号线可以一次性串联写码,带外置EEPROM存放芯片地址,支持与DMX512A-W组合使用。 特性说明 ◆ 三通道开漏输出,最大恒流输出:
01216591
- This paper deals with digital control of a series active filter integrated with a diode rectifier where the series active fdter is controlled to function as a current source. A predictive current regulator is considered for the series ac-
Stepping-motor-speed-control
- 所用的单片机为AT89S52.说明:输入电压12V,经稳压电路后输出5V电压;(12V给电机供电)。电路中的四位一体数码管显示转速。电路中的单独的数码管显示电机的档位。电路中四个按键控制电机转速。-Microcontroller AT89S52. Explanation: Input voltage 12V, output 5V voltage after regulator circuit (12V power to the motor). Circuit in the four integ
source
- 设计一个完整的连续可调直流稳压电源电路,其主要技术指标要求: ① 输出电压可调:Uo=+3V~+12V; ② 最大输出电流:Iomax=800mA; ③ 输出电压变化量:ΔUo≤15mV; ④ 稳压系数:SV≤0.003。-Design a complete the continuous adjustable DC power supply circuit, its main technical indicators requirements: (1) the outp
AD_ir
- 基于51单片机的红外调压程序,可以用红外遥控器调节AD的电压输出,红外解码由软件实现。-51 microcontroller based infrared regulator program, you can use the infrared remote control to adjust the voltage output of the AD, IR decoding by software.
c2_ae
- Voltage/Current Regulator framework.
update1
- 搭建永磁同步电机的直接转矩控制仿真模型 1,实测电流经过3/2变换得到alpha-beta轴上的电流; 2,估计模块中包含定子磁链和电磁转矩的估算,其中,定子磁链观测是采用基于转子位置和定子电流的磁链估计,电磁转矩直接在alpha-beta轴上计算; 3,转速调节模块和转矩调节模块直接采用PI调节器; 4,预期电压矢量估计模块,根据k时刻的磁链幅值与相位和k+1时刻的磁链幅值和相位计算出来的; 5,SVMPWM是空间电压矢量调制模块,实现空间任意角度任意大小的电压矢量,从而控
SVPWM
- SVPWM的主要思想是以三相对称正弦波电压供电时三相对称电动机定子理想磁链圆为参考标准,以三相逆变器不同开关模式作适当的切换,从而形成PWM波,以所形成的实际磁链矢量来追踪其准确磁链圆。传统的SPWM方法从电源的角度出发,以生成一个可调频调压的正弦波电源,而SVPWM方法将逆变系统和异步电机看作一个整体来考虑,模型比较简单- The main idea is based on SVPWM symmetrical three-phase sine wave voltage supply thr
TL431-and-PC817
- 关于变压器反激电源里电压反馈用到的光耦与稳压管配合使用情况,值得一看。-About flyback transformer power supply used in optocoupler voltage feedback regulator used in conjunction with the case, worth a visit.
STM32
- 数控直流电源,通过4*4按键输入所需电压,PWM调节BUCK电路的开关管的导通时间调节到你所需的电压-NC DC power supply via 4* 4 keypad enter the desired voltage, PWM BUCK regulator circuit switch conduction time adjusting to your desired voltage