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deliver

  • 基于sqlserver2k,reporting service的擴展(auth,render,deliver==)應用(mssql,RS,AS,BI)

    基于sqlserver2k,reporting service的擴展(auth,render,deliver==)應用(mssql,RS,AS,BI),很難得的例子,現在國內資料特別少。

    標簽: sqlserver reporting deliver service

    上傳時間: 2014-01-11

    上傳用戶:fnhhs

  • To date tests are still the best solution mankind has found to deliver working software. This book

    To date tests are still the best solution mankind has found to deliver working software. This book is the sum of four years of research and practice in the testing field. The practice comes from my IT consulting background, first at Octo Technology and then at Pivolis the research comes from my involvement with open source development at night and on weekends.

    標簽: solution software mankind deliver

    上傳時間: 2014-01-11

    上傳用戶:sclyutian

  • The Book of Zope - How to Build and deliver Web Apps by Beehive.zip

    The Book of Zope - How to Build and deliver Web Apps by Beehive.zip

    標簽: Beehive deliver Build Book

    上傳時間: 2017-04-26

    上傳用戶:皇族傳媒

  • MulticastClient.java broadcasts message on port 1115. This introduces you how to deliver or transmi

    MulticastClient.java broadcasts message on port 1115. This introduces you how to deliver or transmit data in network and describes the fundamental of various techniques like: unicast, broadcast and multicast.

    標簽: MulticastClient broadcasts introduces deliver

    上傳時間: 2013-11-29

    上傳用戶:eclipse

  • LED的電源管理

    A light-emitting diode (LED) is a semiconductor device that emits narrow-spectrum incoherent light when forward-biased.The color of the emitted light depends on the chemical composition of the semiconductor material used, and can benear-ultraviolet, visible or infrared. LEDs are more prevalent today than ever before, replacing traditional incandescent andfluorescent bulbs in many lighting applications. Incandescents use a heated filament, are subject to breakage and burnoutand operate at a luminous efficiency of 2% to 4%. Fluorescents are more efficient, at 7% to 12%, but require highdrive voltage and contain mercury, a toxic substance that may be eventually banned in certain countries. LEDs, however,produce light directly through electroluminescence, operate at low voltage and can deliver over 20% luminous efficiency.

    標簽: LED 電源管理

    上傳時間: 2013-11-07

    上傳用戶:xiaoyuer

  • 單片同步穩壓器驅動外部元件負載

      The LTC®3414 offers a compact and efficient voltage regulatorsolution for point of load conversion in electronicsystems that require low output voltages (down to 0.8V)from a 2.5V to 5V power bus. Internal power MOSFETswitches, with only 67mW on-resistance, allow theLTC3414 to deliver up to 4A of output current with efficiencyas high as 94%. The LTC3414 saves space by operatingwith switching frequencies as high as 4MHz, enabling theuse of tiny inductors and capacitors.

    標簽: 同步穩壓器 元件 驅動 負載

    上傳時間: 2014-01-03

    上傳用戶:dongbaobao

  • 100-15V TO 12V DCDC 原理圖 PCB BOM表

    高的工作電壓高達100V N雙N溝道MOSFET同步驅動 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 to deliver very low duty cycles with accurate cycle-by-cycle current limit, without requiring a sense resistor. A precise internal reference provides 0.5% DC accuracy. A high bandwidth (25MHz) error amplifi er provides very fast line and load transient response. Large 1Ω gate drivers allow the D810DCDC to drive multiple MOSFETs for higher current applications. The operating frequency is selected by an external resistor and is compensated for variations in VIN and can also be synchronized to an external clock for switching-noise sensitive applications. Integrated bias control generates gate drive power from the input supply during start-up and when an output shortcircuit occurs, with the addition of a small external SOT23 MOSFET. When in regulation, power is derived from the output for higher effi ciency.

    標簽: DCDC 100 12V BOM

    上傳時間: 2013-10-24

    上傳用戶:wd450412225

  • DN457寬輸入電壓范圍同步降壓穩壓器

      The LTC®3610 is a high power monolithic synchronousstep-down DC/DC regulator that can deliver up to 12Aof continuous output current from a 4V to 24V (28Vmaximum) input supply. It is a member of a high currentmonolithic regulator family (see Table 1) that featuresintegrated low RDS(ON) N-channel top and bottomMOSFETs. This results in a high effi ciency and highpower density solution with few external components.This regulator family uses a constant on-time valleycurrent mode architecture that is capable of operatingat very low duty cycles at high frequency and with veryfast transient response. All are available in low profi le(0.9mm max) QFN packages.

    標簽: 457 DN 同步降壓

    上傳時間: 2013-11-07

    上傳用戶:moerwang

  • 基于FPGA的高度集成DCDC穩壓器

      In a recent discussion with a system designer, the requirementfor his power supply was to regulate 1.5Vand deliver up to 40A of current to a load that consistedof four FPGAs. This is up to 60W of power that must bedelivered in a small area with the lowest height profi lepossible to allow a steady fl ow of air for cooling. Thepower supply had to be surface mountable and operateat high enough effi ciency to minimize heat dissipation.He also demanded the simplest possible solution so histime could be dedicated to the more complex tasks. Asidefrom precise electrical performance, this solution had toremovethe heat generated during DC to DC conversionquickly so that the circuit and the ICs in the vicinity do notoverheat. Such a solution requires an innovative designto meet these criteria:

    標簽: FPGA DCDC 集成 穩壓器

    上傳時間: 2013-11-24

    上傳用戶:defghi010

  • ARM Welcome Speech_Lifeng

    deliver more functionality to the end-user sooner and more cost-effectively

    標簽: Speech_Lifeng Welcome ARM

    上傳時間: 2014-01-13

    上傳用戶:lifangyuan12

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