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Cycle 77

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  • 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 ...

    /dl/23357.html

    标签: 智能电表 智能电网

    上传时间: 2014-12-24

    上传用户:熊少锋

  • 100-15V TO 12V DCDC 原理图 PCB BOM表

    高的工作电压高达100V N双N沟道MOSFET同步驱动 The D810DCDC is a synchronous step-down switching regulator controller that can directly step-down voltages from up to 100V, making it ideal for telecom and automotive applications. The D810DCDC uses a constant on-time valley current control architecture t ...

    /dl/24277.html

    标签: DCDC 100 12V BOM

    上传时间: 2013-10-24

    上传用户:wd450412225

  • 快速,高效,独立型NiMH,NiCd电池充电

      Although recent popular attention is focused on LithiumIon batteries, one must not forget that other batterychemistries, such as Nickel Cadmium (NiCd) and NickelMetal Hydride (NiMH) have advantages in rechargeablepower systems. Nickel-based batteries are robust, capableof high discharge r ...

    /dl/24299.html

    标签: NiMH NiCd 独立 电池充电

    上传时间: 2013-11-04

    上传用户:qq10538412

  • 飞利浦绿色电源集成电路选型资料

      IC 特色 :   ˙ 半谐振模式之 ZVS零电压切换 , 能有效降低切换损失 , 提高效率 , 并具展频功能 , 改善EMI .   ˙ 轻 / 重载的 Duty Factor 皆在 CCM 与 DCM 边缘 , 是最能发挥次级 "同步整流" 效率的一种工作模式 .   ˙ 空载时进入 Cycle Skipping ( Typical 0.3W ) , 有效达成环保规範 .   ˙ 内建 "LEB前缘 ...

    /dl/24420.html

    标签: 飞利浦 绿色电源 集成电路 选型

    上传时间: 2014-12-24

    上传用户:回电话#

  • 串行时钟PCF8583在微机保护装置中的应用

    实时时钟是微机保护装置的重要部件,在讨论PCF8583结构与功能的基础上,提出采用dsPIC33F系列微处理器与串行I2C时钟PCF8583的接口设计方案,给出了相应的接口电路与软件流程。该设计方案结构简单,可靠性高,开发周期短,具有一定的实用与参考价值。所设计的微机保护装置已投入现场运行,效果良好。 Abstract:  Rea ...

    /dl/29188.html

    标签: 8583 PCF 串行时钟 中的应用

    上传时间: 2013-11-18

    上传用户:Thuan

  • 微处理器dsPIC33F在微机保护装置中的应用

    数字信号处理器dsPIC33F集多通道高精度A/D转换、多通讯模式、看门狗、CMOS Flash技术等于一体,其内部可完成所有数据操作,实现总线不出芯片技术。将该处理器应用于微机保护装置,提出基于dsPIC33F微处理器的微机保护装置的设计方案,给出相应的接口电路与软件流程。该设计方案结构简单,性价比及可靠性高,开发周期短,具 ...

    /dl/29199.html

    标签: dsPIC 33F 33 微处理器

    上传时间: 2013-11-16

    上传用户:开怀常笑

  • 用C51实现无功补偿中电容组循环投切的算法

    介绍了用单片机C 语言实现无功补偿中电容组循环投切的基本原理和算法,并举例说明。关键词:循环投切;C51;无功补偿中图分类号: TM76 文献标识码: BAbstract: This paper introduces the aplication of C51 in the controlling of capacitorsuits cycle powered to be on and off in reactive compensation.it illustrate ...

    /dl/29486.html

    标签: C51 无功补偿 循环 电容

    上传时间: 2014-12-27

    上传用户:hopy

  • CAT28LV64-64Kb CMOS并行EEPROM数据手

    The CAT28LV64 is a low voltage, low power, CMOS Parallel EEPROM organized as 8K x 8−bits. It requires a simple interface for in−system programming. On−chip address and data latches, self−timed write cycle with auto−clear and VCC power up/down write protection eliminate ...

    /dl/30682.html

    标签: EEPROM 64 CMOS CAT

    上传时间: 2013-11-16

    上传用户:浩子GG

  • Input Signal Rise and Fall Tim

    All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, howeve ...

    /dl/31376.html

    标签: Signal Input Fall Rise

    上传时间: 2013-10-23

    上传用户:copu

  • 介绍C16x系列微控制器的输入信号升降时序图及特性

    All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, howeve ...

    /dl/31379.html

    标签: C16x 微控制器 输入信号 时序图

    上传时间: 2014-04-02

    上传用户:han_zh