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共 993 篇文章
Also 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 993 篇文章,持续更新中。

MT7628 Datasheet

<p>Overview The MT7628 router-on-a-chip includes an 802.11n MAC and baseband,a 2.4 GHz radio and FEM,a 575/580<br/>MHz MIPS? 24K% CPU core,a 5-port 10/100 fast ethernet switch. The MT7628 includes eve

4G移动通信技术权威指南:LTE与LTE-Advanced.4G LTE.LTE

<p>Preface</p><p>During the past years, there has been a quickly rising interest in radio access technologies for providing</p><p>mobile as well as nomadic and fixed services for voice, video, and dat

基于ICL8038等构成的函数发生器电路

<p>摘要:</p><p>本系统以ICL8038集成块为核心器件,制作一种函数信号发生器,制作成本较低。</p><p>适合学生学习电子技术测量使用。ICL8038是一种具有多种波形输出的精密振荡集成电路,只需要个别的外部元件就能产生从0.001Hz~30KlHz的低失真正弦波、三角波、矩形波等脉冲信号。输出波形的频率和占空比还可以由电流或电阻控制。另外由于该芯片具</p><p>有调制信号输入端,所

IGBT图解

<p>le flows through MOS channel while Ih flows across PNP transistor Ih= a/(1-a) le, IE-le+lh=1/(1-a)&#39; le Since IGBT has a long base PNP, a is mainly determined by ar si0 2</p><p>ar= 1/cosh(1/La),

ICN6202规格书V10

<p>ICN6201/02 is a bridge chip which receives MIPI® DSI inputs and sends LVDS outputs. </p><p>MIPI® DSI supports up to 4 lanes and each lane operates at 1Gbps maximum; the totally maximum input </

FreeModbus 英文资料

<p>If register should be written or read.</p><p>This value is passed to the calback functions which support either reading or writing register values. Writing means that the application registers shou

杰华特JW7805 datasheet

<p>The JW® 7805 is a low noise low-dropout (LDO) &nbsp;voltage regulator with enable function that &nbsp;operates from 1.8V to 5.5V. It provides up to &nbsp;300mA of output current and offers low-powe

电动汽车直流充电桩的硬件系统设计

<p>在全球气候变暖和石油资源短缺的形势下,推动新能源汽车的发展将成为汽车行业一种新的发展方向。在大力发展新能源电动汽车行业的同时还应兼顾电动汽车充电设施的发展,因此对电动汽车充电桩的设计与研究显得十分必要。对电动汽车直流充电桩的硬件系统进行设计,主要的硬件电路包括安全监测电路、总压采集电路、温湿度检测电路、语音电路。软件包括主要流程图和温湿度检测流程图。</p><p>Under the situ

基于51单片机的多功能智能遥控窗帘的设计

<p>多功能智能遥控窗帘系统广泛地应用于家居、办公室等场合,同时也是智能家居的一部分。该设计主要利用STC89C52单片机核心电路、光敏电阻电路、步进电机电路、温湿度传感器、红外线控制电路、AD转换电路、LCD1602液晶显示屏等模块完成精确控制窗帘的开和关。</p><p>multi-functional intelligent remote control curtain system is w

基于MSP430单片机及FPGA的简易数字示波器

<p>数字示波器功能强大,使用方便,但是价格相对昂贵。本文以Ti的MSP430F5529为主控器,以Altera公司的EP2C5T144C8 FPGA器件为逻辑控制部件设计数字示波器。模拟信号经程控放大、整形电路后形成方波信号送至FPGA测频,根据频率值选择采用片上及片外高速AD分段采样。FPGA控制片外AD采样并将数据输入到FIFO模块中缓存,由单片机进行频谱分析。测试表明:简易示波器可以实现自

基于STM32F103单片机电流电压采集系统设计

<p>配电网中,各种配电终端的电流、电压、有功功率及无功功率等模拟量的采集是配电网自动化的重要环节。这些模拟量的采集也是各种仪器和家用电器的必要功能。因此,设计了基于嵌入式STM32F103单片机的交流电压、交流电流及有功功率的采集系统,通过电压互感器TV1005M和电流互感器TA1005M分别检测交流电压和交流电流值;屏幕或者手机APP和WiFi模块互联后,可以实时显示交流电压、交流电流、功率及

半导体制冷温度控制系统的设计研究

<p>在半导体制冷技术的工作性能及其优缺点研究的基础上,设计了以单片机为核心控制元件,以TEC1-12706为执行元件的半导体制冷温度控制系统。采用高精度分段式PID控制算法配合PWM输出控制的方法实现温度控制;选择数字传感器DS18B20为温度检测元件,还包含1602液晶显示模块、按键调整输入模块和H桥驱动模块等。实际测试表明,该系统结构简单易行,操作方便,工作性能优良,同时针对该系统专门设计的

基于AT89C52的农业温湿度智能控制系统设计

<p>设计了农业温湿度智能控制系统,该系统采用DHT11温湿度传感器作为温湿度采集模块,单片机选用AT89C52代替并调用Virtual terminal模拟串口通信,LCD1604液晶显示器实时显示温湿度,实现了温湿度的测量、显示,可自动控制加热、降温、加湿、通风,实现温湿度控制以及超限报警处理,并利用Proteus与Keil进行实际电路的仿真。试验表明,该系统实现了可靠的温湿度监控。</p><

用IAP技术在线升级STM32单片机固件

<p>针对嵌入式产品程序更新问题,提出了一种基于IAP技术的STM32单片机在线固件升级方案,设计了STM32单片机最小系统硬件电路和USB转串口通信电路,并给出了Bootloader程序、APP程序、PC上机程序的实现流程.实验结果表明,该方案具有简单实用、稳定性高、维护成本低和设备使用效率高的特点,适用于嵌入式产品升级.</p><p>For the problem of updating em

电子书-RTL Design Style Guide for Verilog HDL540页

<p>电子书-RTL Design Style Guide for Verilog HDL540页</p><p>A FF having a fixed input value is generated from the description in the upper portion of Example 2-21. In this case, ’0’ is output when the re

Agilent 34401A Service Guide.pdf

<p>Agilent 34401A Service Guide.pdf</p><p>IEC Measurement Category II includes electrical devices connected to mains at an outlet on a branch circuit. Such devices include most small appliances, test

PW2601_2.0.pdf规格书下载

<p>The PW2601 is a charger front-end integrated circuit designed to provide protection to Li-ion<br/>batteries from failures of charging circuitry. The device monitors the input voltage, battery volta

PW3130_2.0.pdf规格书下载

<p>The PW3130 series product is a high integration solution for lithium-lion/polymer battery<br/>protection.PW3130 contains advanced power MOSFET, high-accuracy voltage detection circuits and<br/>dela

PW5300_2.0.pdf规格书下载

<p>The PW5300 is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.2Ω power<br/>MOSFET make this regulator highly power efficient. The internal compensation network also<br/>mini

Code Craft: the practice of writing excellent code

<p> This book addresses programmer attitudes, but it’s not some kind of psychology<br /> textbook. We’ll investigate many topics, including:<br /> Source code presentation<br /> Defensive coding tech