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模拟电子 COOLMOS全面认识
Recently a new technology for high voltage Power MOSFETshas been introduced – the CoolMOS™ . Based on thenew device concept of charge compensation the RDS(on) areaproduct for e.g. 600V transistors has been reduced by afactor of 5. The devices show no bipolar current contributionlike th ...
模拟电子 LTC1099半闪速8位AD转换数字光电二极管阵列
This application note describes a Linear Technology "Half-Flash" A/D converter, the LTC1099, being connected to a 256 element line scan photodiode array. This technology adapts itself to handheld (i.e., low power) bar code readers, as well as high resolution automated machine inspection applicatio ...
PCB相关 开关电源EMI设计(英文版)
Integrated EMI/Thermal Design forSwitching Power SuppliesWei ZhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of
Integrated EMI/Thermal Design forSwitching Power SuppliesWei Zhang(ABSTRACT)This wor ...
电源技术 电能计量和安全性的智能电网
Abstract: It may sound trite, but it is definitely true: the smart grid has the potential to completely transform the energyindustry. However, smart meters and grid management alone will not ensure the success of the smart grid. Unliketraditional IT networks, smart grids require consideration of e ...
电源技术 DN442 I2C可控降压紧凑型同步DC/DC稳压器
 
The LTC®3562 quad output step-down regulator is designedfor multicore handheld microprocessor applications thatoperate from a single Li-Ion battery. Its four monolithic, higheffi ciency buck regulators support Intel’s mobile CPU P-Stateand C-State energy saving operating modes. ...
电源技术 DN465 超低功耗升压转换器
 
Industrial remote monitoring systems and keep-alivecircuits spend most of their time in standby mode. Manyof these systems also depend on battery power, so powersupply effi ciency in standby state is very important tomaximize battery life. The LT®8410/-1 high effi ciencyboost converte ...
单片机编程 利用MSP430扫描接口使用GMR传感器
该应用报告描述了旋转检测器的实现，该旋转检测器使用一对可检测磁场的巨磁阻GMR（Giant Magneto-Resistive,）传感器。传感器的分布使它们不使用正交信号序列，这提供了讨论非正交情况如何配置SIF的机会。讨论了调试SIF应用程序的技术，提供了一个设计非正交进程状态机（processing state machines）的工具。 ...
单片机编程 基于AVR的PCB板雕刻机的设计
为了提高PCB板制作的效率，改变传统的化学腐蚀制板工艺，使用机械仿形铣制作电路板的方法，设计了以ATMEGA16单片机为核心部件的PCB板雕刻机控制系统。其中包括PCB雕刻机的基本功能、主要硬件电路设计和软件的实现流程，并给出了相关设计电路。重点分析了雕刻机步进电机的驱动电路以及主轴电机的驱动电路，该雕刻机经 ...
单片机编程 基于PIC18F1320微控制器的信号采集系统
便携式信号采集在机器健康诊断系统中有较高的应用价值。机器健康诊断的信号特点是包括低频信号。本文研究是为了实现简易而且低成本的低频便携式信号采集。以Microchip公司单片机PIC18F1320为核心设计信号采集电路，实现了信号的采集和保存。系统采用串行电可擦除芯片24LC32A保存数据，经过有线通信，信号数据由串行口 ...
单片机编程 基于ATmega16的标记机控制系统
介绍了当前普通标记机控制系统现状及其存在缺点，给出气动标记机及相频修正PWM模式的工作原理。采用ATmega16单片机和USB转换RS232接口器件CH341T实现驱动控制系统与PC的实时通讯，标记控制系统可升级到USB接口。采用基于ATmega16的相频修正PWM替换555振荡电路产生的PWM，可直接通过软件调整PWM信号。使用达林顿三极管TIP122 ...