primary
共 66 篇文章
primary 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 66 篇文章，持续更新中。
CS5101后调整器特性说明及利用CS5101和CS3842A设计双输出，正向转换器设计实例的介绍
<P>In Switch Mode Power Supplies (SMPS) a transformer provides isolation between the primary source
CS5101后调整器特性说明及利用CS5101和CS3842A设计双输出，正向转换器设计实例的介绍
In Switch Mode Power Supplies (SMPS) a transformer<BR>provides isolation between the primary source
MC68HC05微控制器与IBM AT键盘接口的硬件和软件的介绍
Since the inception of the IBM PC platform, the keyboard has served as<BR>its primary input device a
Flyback Transformer Leakage Inductabce
When a flyback converter primary power switch turns off.currenr is transferrd from the primary to th
基于单片机的中小学生智能宿舍管理系统
<p>中小学生智能宿舍管理系统由2部分组成。一部分是以单片机为控制核心,通过相关电路设计以及配合使用GSM模块、12864液晶显示屏、空气质量检测模块、声音检测模块、有源蜂鸣器、录音模块、温湿度传感器、矩阵键盘等实现对中小学生宿舍的智能管理。另一部分主要是由小风扇和紫色LED灯构成的灭蚊装置。本文即对此进行了研究设计。</p><p>The intelligent dormitory managem
基于随机矩阵理论的DET合作频谱感知算法
<p>摘 要：针对认知无线电系统中的频谱感知问题，该文采用随机矩阵理论(Random Matrix Theory, RMT)对多认</p><p>知用户(Secondary User, SU)接收信号采样协方差矩阵的最大特征值的分布特性进行了分析和研究，提出了一种新</p><p>的基于双特征值判决门限(Double Eigenvalue Threshold, DET)的合作频谱感知算法。由该算法感知
用PHP/MySQL/Apache实现的简单用户注册/登录系统
用PHP/MySQL/Apache实现的简单用户注册/登录系统。-User register and log in system. User PHP/MySQL/Apache.Very userful for primary learners.
FreeRTOS 用户指南 高清完整版
<p>The FreeRTOS™
Reference Manual </p><p>API Functions and Configuration Options</p><p>This document provides a technical reference to both the primary FreeRTOS API1
, and the
FreeRTOS kernel
sony CMOS传感器 IMX178LQJ-C dataSheet
<p>sony CMOS传感器datasheet，IMX178LQJ-C_Data_Sheet</p><p>Description</p><p>The IMX178LQJ-C is a diagonal 8.92 mm (Type 1/1.8) CMOS active pixel type image sensor with a square pixel</p><p>array and 6.44
sony CMOS传感器 IMX385LQR-C DataSheet
<p>Description</p><p>The IMX385LQR-C is a diagonal 8.35 mm (Type 1/2) CMOS active pixel type solid-state image sensor with a square</p><p>pixel array and 2.13 M effective pixels. This chip operates wi
Qi无线充电原理
<p>近距电能传输——高效安全<br/>近距电能传输一般基于电磁感应原理进行。在此技术基础上，当接收器邻近发射器时才会进行电能传输。电磁感应技术的历史长达百年，多年米一直应用于各类电子产品中—如此普及全因其简单、高效以及安全技术概览<br/>以下将为你简要介绍无线电能传输技术。</p><p>System Overview(Communication)<br/>Receiver sends mess
基于模型—数据融合的中国区域碳水通量动态模拟及分析
<p>准确量化和预测陆地生态系统碳水通量对于理解陆气间相互作用，预测未来气候变化和控制温室效应具有重要意义。通量观测和模型模拟是目前研究碳水通量的两种主要方法。通量观测精度较高，但观测范围局限、站点分布不均匀，易受环境影响，难以区域扩展；模型模拟可实现不同尺度参量估算，但由于理想化假设、模型参数和驱动数据等限制，导致其模拟结果往往与真实值存在较大偏差。模型-数据融合方法主要是通过参数估计和数据同化
IW3617 230V 调光设计参考.pdf
<p>General Design Specification:</p><p>1. AC Input Range 180-264Vac, Isolated ac-dc offline, 12LEDS,Output 700mA</p><p>2. Intelligent wall dimmer detections(Leading-edge dimmer , Trailing-edge</p><p>d
50W隔离型离线式DC.pdf
<p>ABSTRACT</p><p>The flyback power stage is a popular choice for single and multiple output dc-to-dc converters at power</p><p>levels of 150 Watts or less. Without the output inductor required in buc
IEEE_Verilog_2001
<p>The Verilog Hardware Description Language (HDL) is defined in this standard. Verilog HDL is a formal notation intended for use in all phases of the creation of electronic systems. Because it is bot
UEFI 下的镜像启动器
-file /win8.vdf 镜像文件名，无此参数将搜索当前目录的iso镜像<br />
-dev PciRoot(0x0)/Pci(0x1,0x1)/Ata(Primary,Master,0x0)/HD(3,MBR,0x9553A441,0xEFFF800,0x13FF800) 设备路径，无此参数默认为当前设备<br />
-wait 50<span style="white-space:pr
Switch Mode Power Supplies
For many years prior to the 1970s, engineers designed and built switch mode<br />
power supplies (SMPSs) using methods based largely on intuitive and exper-<br />
imentally derived techniques. In gene
NIST Framework and Roadmap
Under the Energy Independence and Security Act of 2007 (EISA), the National Institute of<br />
Standards and Technology (NIST) was assigned “primary responsibility to coordinate<br />
development of a
Electrical+Power+Engineering+Current+State
The author of this textbook intends to consider all stages of the life cycle of the<br />
energy resources: extraction of mineral energy resources and mastering for power<br />
engineering renewable e
Telecommunications Regulation
Regulation is a pervasive feature of the telecommunications services industry
today. Government-appointed regulators and judicial or quasi-judicial bodies
oversee it in countries at all stages of ec