WHEN
共 527 篇文章
WHEN 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 527 篇文章，持续更新中。
A metastability primer
When using a latch or flip-flop in normal circumstances (i.e., when<BR>the device’s setup and hold t
Universal Serial Bus Mass Storage Specification For Bootability
<P>Universal Serial Bus Mass Storage Specification For Bootability</P>
<P>1 Introduction<BR>When pe
比较可加载和不可加载计数器的不同,介绍用XC3000 XC31000系列进行可加载二进制计数器的设计
When designing a non-loadable counter, the fastest<BR>designs use some form of prescaler technique t
sttc
在ofdm系统中空时格状码编译码方式，与ofdm结合性能的比较-in OFDM systems hollow when trellis coding- decoding methods
如何恰当地终止视频放大器
When a transmission path is improperly terminated the<BR>energy is reflected and re-reflected from t
为扭转了一相电机使用逻辑控制解决方案，模拟开关和分立半导体器件
In the huge variety of the AC motors, one–phase motors are an excellent option when only single–phas
在视频系统如何迁移或插入同步模拟信号
Sync signals are a necessary part of video systems, but it<BR>seems like they are often there when y
新型三色LED驱动器使单片机中的控制线最少
When it comes to driving LEDs, a serial bus connection<BR>eliminates the need for many connections t
SCMrealizingdigitaclockwgegregher
单片机实现数字时钟能够时分秒的显示接啊卡丁车哦气温达到撒-Single chip digital clock can display minutes and seconds when connecte
μPD9210FGC-7EA USB主控制器用户手册
PRECAUTION AGAINST ESD FOR SEMICONDUCTORS<BR>Note:<BR>Strong electric field, when exposed to a MOS d
宽带转换输入运算放大器简化射频信号的处理过程
When designing high performance systems for RF and video<BR>applications requiring amplifiers, multi
Power considerations when using CMOS and BiCMOS logic devices
As general purpose components, logic devices are used at different frequencies and power supply volt
用微控制器和A D转换器与压力传感器MPX5006接口实现其自动零功能
This application note describes how to implement an auto–zero function when using a Motorola integra
如何恰当地终止视频放大器
When a transmission path is improperly terminated the<BR>energy is reflected and re-reflected from t
Basics every battery user should know
Basics every battery user should know:Facts about batteries Sharing battery knowledge<BR>When was th
CAN FIBER-OPTIC BRIDGE USER MANUAL
CAN FIBER-OPTIC BRIDGE USER MANUAL<BR>When using this manual, please remember the f
Application Note AN-4147 Design Guidelines for RCD Snubber of Flyback Converters
<P>This article presents some design guidelines for the RCDsnubber of flyback converters. When the M
移植到Symbian平台C-C.开放移动开发.rar
I originally started writing this book as part of the Symbian Press Technology
series back in May 2008. Since that time, a lot has changed in
the mobile software world, particularly for those workin
基于51单片机的智能家居设计
<p>在智能家居尚未出现在人们的视野之前,人们对其并没有深入的了解,觉得这在人们的生活当中是无足轻重的。为了改变人们对其的片面化的观点,文章设计了简单方便,容易操作,并且和生活实际联系在一起的智能化家居系统。该设计是以STC89C51单片机为调控系统,用烟雾传感器和温湿度传感器进行检测外部环境,通过按键来调节系统的烟雾浓度上限值以及温湿度的初始化设置,并利用LCD1602液晶显示屏对外部环境进行实
基于单片机的智能温控风扇系统设计
<p>本文以STC89C52单片机作为主控制器,应用温度传感器、红外传感器、LCD1602显示模块等,对常用的电风扇加以改进,设计了一种智能温控风扇系统。实现当用户在风扇前一定距离、且温度达到预设值时自动启动,在用户离开时自动关闭;随着环境温度的变化自动调节转速;对风扇运行的当前温度和预设的上下限温度进行实时显示等功能,具有一定的实际应用价值与可观的市场前景。</p><p>This paper u