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  • 獲得當(dāng)前連接到電腦的USB設(shè)備的詳細(xì)信息 Device Description Hardware Id Compatible Ids Service Class ClassGuid

    獲得當(dāng)前連接到電腦的USB設(shè)備的詳細(xì)信息 Device Description Hardware Id Compatible Ids Service Class ClassGuid Driver manufacturer Enumerator

    標(biāo)簽: Description Compatible ClassGuid Hardware

    上傳時(shí)間: 2016-12-03

    上傳用戶(hù):cjl42111

  • Freetz is a firmware-extension (modification) for the AVM Fritz!Box and devices with identical hardw

    Freetz is a firmware-extension (modification) for the AVM Fritz!Box and devices with identical hardware. The original firmware from the manufacturer is extended with new functions and programs which may be selected by the user

    標(biāo)簽: firmware-extension modification identical devices

    上傳時(shí)間: 2014-12-08

    上傳用戶(hù):qw12

  • 開(kāi)關(guān)電源濾波電路的優(yōu)化設(shè)計(jì)

    隨著科技的發(fā)展,人們?cè)谌粘I钪惺褂玫碾娖髟絹?lái)越多,電子設(shè)備的電磁兼容性(EMC)也越來(lái)越重要。所以,人們對(duì)電子設(shè)備的電磁兼容性的要求也越來(lái)越嚴(yán)格,越來(lái)越規(guī)范。而在市場(chǎng)競(jìng)爭(zhēng)中,如何降低成本、減少設(shè)備體積,是各電子設(shè)備制造廠(chǎng)家重點(diǎn)研究的課題。通過(guò)對(duì)開(kāi)關(guān)電源的EMI濾波電路的類(lèi)別和相應(yīng)的技術(shù)特點(diǎn)進(jìn)行分析,設(shè)計(jì)出一種既能提高性能,又能降低成本的濾波電路。With the development of technology, appliances people use in their daily lives, more and more electronic devices electromagnetic compatibility ( EMC ) has become increasingly important. So, people electromagnetic compatibility requirements of electronic devices have become increasingly stringent, more and more standardized. The competition in the market, how to reduce costs, reduce equipment size, is the subject of the electronic equipment manufacturer focused on research. Through the technical characteristics of the respective category and the EMI filter circuit switching power supply is analyzed both designed to improve a performance of the filter circuit can reduce the cost.

    標(biāo)簽: 開(kāi)關(guān)電源 濾波電路

    上傳時(shí)間: 2022-04-23

    上傳用戶(hù):

  • CPCI標(biāo)準(zhǔn)規(guī)范中文版.pdf

    Compact PCI(Compact Peripheral Component Interconnect)簡(jiǎn)稱(chēng)CPCI,中文又稱(chēng)緊湊型PCI,是國(guó)際工業(yè)計(jì)算機(jī)制造者聯(lián)合會(huì)(PCI Industrial Computer manufacturer's Group,簡(jiǎn)稱(chēng)PICMG)于1994提出來(lái)的一種總線(xiàn)接口標(biāo)準(zhǔn)。是以PCI電氣規(guī)范為標(biāo)準(zhǔn)的高性能工業(yè)用總線(xiàn)。為了將PCI SIG的PCI總線(xiàn)規(guī)范用在工業(yè)控制計(jì)算機(jī)系統(tǒng),1995年11月PCI工業(yè)計(jì)算機(jī)制造者聯(lián)合會(huì)(PICMG)頒布了CPCI規(guī)范1.0版,以后相繼推出了PCI-PCI Bridge規(guī)范、Computer Telephony TDM規(guī)范和User-defined I/O pin assignment規(guī)范。

    標(biāo)簽: cpci

    上傳時(shí)間: 2022-05-20

    上傳用戶(hù):

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