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电源技术 智能电表和智能电网手册

Abstract: Investment in smart meters and smart grid end equipment continues to grow worldwide as countriestry to make their electric delivery systems more efficient. However, as critical as the electric deliveryinfrastructure is, it is normally not secured and thus subject to attack. This article ...
https://www.eeworm.com/dl/505/23357.html
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电源技术 简单的电池电路扩展以太网供电(PoE)峰值电流

  Power over Ethernet (PoE) is a new development thatallows for the delivery of power to Ethernet-based devicesvia standard Ethernet CAT5 cable, precluding the need forwall adapters or other external power sources. The PoEspecification defines a hardware detection protocol wherePower Sourci ...
https://www.eeworm.com/dl/505/24268.html
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电源技术 降压升压型控制器简化手持式产品的DC/DC转换器设计

  A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas S ...
https://www.eeworm.com/dl/505/24313.html
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电源技术 高功率PoE PD接口与集成反激式控制器

  To this day, Power over Ethernet (PoE) continues to gainpopularity in today’s networking world. The 12.95Wdelivered to the Powered Device (PD) input supplied bythe Power Sourcing Equipment (PSE) is a universal supply.Each PD provides its own DC/DC conversion from anominal 48V supply ...
https://www.eeworm.com/dl/505/24317.html
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电源技术 两相同步降压型控制器具有轻负载逐级递减模式

  Today’s computer, datacom, and telecom systems demandpower supplies that are effi cient, respond quicklyto load transients and accurately regulate the voltageat the load. For example, load current can be measuredby using the inductor DCR, thus eliminating the needfor a dedicated sen ...
https://www.eeworm.com/dl/505/24340.html
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电源技术 LTC4099 USB电源管理和电池充电

  The LTC®4099 high effi ciency USB power manager andLi-Ion/Polymer battery charger seamlessly managespower distribution from multiple sources in portableapplications. It is differentiated from other USB powermanagers by its bidirectional I2C port that allows the hostmicroprocessor to c ...
https://www.eeworm.com/dl/505/24349.html
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电源技术 LTM4601 DC/DC微型模块性能

  The LTM4601 DC/DC μModule regulator is a completehigh power density stepdown regulator for up to 12Acontinuous (14A peak) loads. The device is housed ina small 15mm ¥ 15mm ¥ 2.8mm LGA surface mountpackage, thus the large power dissipation is a challengein some applications. Thi ...
https://www.eeworm.com/dl/505/24393.html
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单片机编程 基于单片机系统的(24,16)循环码编码、译码方案

  在理论分析循环码编码和译码基本原理的基础上,提出了基于单片机系统的(24,16)循环码软件实现编码、译码的方案。仿真结果表明(24,16)循环码能有效地克服来自通讯信道的干扰,保证数据通信的可靠及系统的稳定,使误码率大幅度降低。本论文对(24,16)循环码的研究结果表明,可以有效地降低错误概率和提高系统的吞吐量 ...
https://www.eeworm.com/dl/502/29062.html
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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 ...
https://www.eeworm.com/dl/502/29088.html
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单片机编程 基于W77E58的跑步机联网系统的开发

对于传统的跑步机无法联机组网,保存历史数据,实时调试等问题,介绍了一个由多台跑步机通过RS-232串行总线与上位机相连组成的跑步机联网系统。系统采用W77E58作为下位机核心控制器件,它具有双串行通讯端口,其中一个串口用于与变频器通讯,另一个串口则与上位机相连,构成跑步机网络。 Abstract:  The tradition ...
https://www.eeworm.com/dl/502/29314.html
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