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模拟电子 二极管导通开关稳压器引发的故障时间
 
Most circuit designers are familiar with diode dynamiccharacteristics such as charge storage, voltage dependentcapacitance and reverse recovery time. Less commonlyacknowledged and manufacturer specifi ed is diode forwardturn-on time. This parameter describes the timerequired for a diode t ...
书籍 Smart+Grids
n present power system, the engineers face variety of challenges in
planning, construction and operation. In some of the problems, the engineers need
to use managerial talents. In system design or upgrading the entire system into
automatic control instead of slow response of human operator, the engi ...
技术资料 50W隔离型离线式DC.pdf
ABSTRACTThe flyback power stage is a popular choice for single and multiple output dc-to-dc converters at powerlevels of 150 Watts or less. Without the output inductor required in buck derived topologies, such as theforward or push-pull converter, the component count and cost are reduced. This appli ...
技术资料 IW3617 230V 调光设计参考.pdf
General Design Specification:1. AC Input Range 180-264Vac, Isolated ac-dc offline, 12LEDS,Output 700mA2. Intelligent wall dimmer detections(Leading-edge dimmer , Trailing-edgedimmer , No-dimmer)3. Multiple dimming control scheme4. Wide dimming range from 1% up to 100%5. No visible flicker6. Resonant ...
技术资料 基于单片机的无线数据传输系统设计
基于单片机的无线数据传输系统的设计,实现了温度和湿度的自动采集、无线通讯和报警功能。该系统包括了LCD1602显示电路、DHT11温湿度采集电路等,完成了基于无线数据传输的方法来实现温湿度的采集。This paper introduces a design of wireless data transmission system based on MCU,which realizes the functions of autom ...
单片机编程 基于单总线式无线温度采集系统设计
为提高温度测量效率，降低系统的成本，扩展传输距离，设计出一种新型温度采集系统。单片机通过控制具有单总线方式的温度传感器DS18B20实现对温度的测量，同时单片机通过控制具有单总线方式300～450MHz频率范围内的MAX7044与MAX7033无线发射与接收芯片实现温度数据的无线传输。与传统温度采集系统相比，该系统利用单总线方式 ...
教程 Digital.Image.Processing.
This edition of Digital Image Processing is a major revision of the book. As in
the 1977 and 1987 editions by Gonzalez and Wintz, and the 1992, 2002, and 2008
editions by Gonzalez and Woods, this sixth-generation edition was prepared
with students and instructors in mind. The principal objectives of ...
技术资料 基于单片机和人体红外线传感器自动关门锁门的装置
入室抢劫事件屡见不鲜,针对此现象进行分析不难发现,造成失窃事件的极大原因是人们慵懒和意识差等不良性格造成习惯性不锁门.本文以STC89C52单片机为基础,设计了一种基于人体红外传感器的自动关门锁门装置,来解决此类问题.The incidents of burglary are so common. It is not difficult to find that the main reason for th ...
技术资料 PW2312_2.0.pdf规格书下载
The PW2312 is a high frequency, synchronous, rectified, step-down, switch-mode converter withinternal power MOSFETs. It offers a very compact solution to achieve a 1.5A peak output currentover a wide input supply range, with excellent load and line regulation.The PW2312 requires a minimal number of ...
技术资料 基于AT89S51单片机的温室大棚智能通风灌溉系统设计
结合现代农业温室大棚生产特点,以AT89S51 单片机为控制核心,利用DS18B20 单总线数字温度传感和YL-69 土壤湿度传感器检测器测量大棚和土壤湿度,并通过测量结果控制通风换气装置和滴灌水泵,实现温室大棚温度和土壤湿度智能管理控制。Combined with the characteristics of modern agricultural greenhouse production, the AT ...