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Telecom

  • CHINA IT & Telecom REPORT WEEKLY一份不错的通信专业外文期刊

    CHINA IT & Telecom REPORT WEEKLY一份不错的通信专业外文期刊,对通信工作者有帮助

    标签: Telecom REPORT WEEKLY CHINA

    上传时间: 2015-09-13

    上传用户:maizezhen

  • SDP, Service Delivery Platform, is more for Telecom operators who want to manage the Data Service be

    SDP, Service Delivery Platform, is more for Telecom operators who want to manage the Data Service better delivered to the end device users by bridging with back-end content providers. Operators rely on the content provider to create & distribute data content to different types of devices. This is different from the open world in the internet communication. Operators must control who can access what content based on his rate plans. Also, based the content access results, the process will be recorded as the transaction records based on which billing statements can be generated to collected the money and shared by operators and content providers. I am working on the conceptual architecture level and the real implementation is very complicated due to too many types of service from different content providers to different types of devices based on the different types of the rate plans.

    标签: Service operators Delivery Platform

    上传时间: 2016-03-10

    上传用户:zycidjl

  • SDP, Service Delivery Platform, is more for Telecom operators who want to manage the Data Service be

    SDP, Service Delivery Platform, is more for Telecom operators who want to manage the Data Service better delivered to the end device users by bridging with back-end content providers. Operators rely on the content provider to create & distribute data content to different types of devices. This is different from the open world in the internet communication. Operators must control who can access what content based on his rate plans. Also, based the content access results, the process will be recorded as the transaction records based on which billing statements can be generated to collected the money and shared by operators and content providers. I am working on the conceptual architecture level and the real implementation is very complicated due to too many types of service from different content providers to different types of devices based on the different types of the rate plans.

    标签: Service operators Delivery Platform

    上传时间: 2013-12-03

    上传用户:yph853211

  • this is usefull code for Telecom student( VIVA VIET NAM)

    this is usefull code for Telecom student( VIVA VIET NAM)

    标签: Telecom student usefull this

    上传时间: 2017-07-12

    上传用户:xc216

  • this doc describes/ introduces the ATCA advanced Telecom computing group specification manual A new

    this doc describes/ introduces the ATCA advanced Telecom computing group specification manual A new platform rchitecture for lecommunicati quipment eptember 2001

    标签: specification introduces describes computing

    上传时间: 2017-07-22

    上传用户:songnanhua

  • 高性能DCDC控制器

    We provide complete power solutions with a full lineup of power managementproducts. This brochure provides an overview of our high performance DC/DC switching regulatorcontrollers for applications including datacom, Telecom, industrial, automotive, medical, avionicsand control systems. We make power design easier with our industry-leading field applicationengineering support; a broad selection of demonstration boards with schematics, layout filesand parts lists; SwitcherCAD® software for simulation, application notes and comprehensivetechnical documentation.

    标签: DCDC 性能 控制器

    上传时间: 2013-10-15

    上传用户:lz4v4

  • 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 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.

    标签: DCDC 100 12V BOM

    上传时间: 2013-10-24

    上传用户:wd450412225

  • DN384 精确的电源排序,防止系统损坏

      Many complex systems—such as Telecom equipment,memory modules, optical systems, networking equipment,servers and base stations—use FPGAs and otherdigital ICs that require multiple voltage rails that muststart up and shut down in a specific order, otherwise theICs can be damaged. The LTC®2924 is a simple andcompact solution to power supply sequencing in a 16-pinSSOP package (see Figures 1 and 2).

    标签: 384 DN 电源排序 防止

    上传时间: 2013-10-29

    上传用户:tonyshao

  • DN378 低静态电流单片式降压型稳压器

      Automobile electronic systems place high demands ontoday’s DC/DC converters. They must be able to preciselyregulate an output voltage in the face of wide temperatureand input voltage ranges—including load dump transientsin excess of 60V and cold crank voltage drops to 4V. Theconverter must also be able to minimize battery drain inalways-on systems by maintaining high effi ciency over abroad load current range. Similar demands are made bymany 48V nonisolated Telecom applications, 40V FireWireperipherals and battery-powered applications with autoplug adaptors. The LT3437’s best in classperformancemeets all of these requirements in a small thermallyenhanced 3mm × 3mm DFN package.

    标签: 378 DN 低静态电流 单片式

    上传时间: 2013-10-15

    上传用户:stampede

  • 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 sense resistor. Inductor DCR sensingincreases effi ciency—especially at heavy load—whilereducing component cost and required board space.The LTC®3856 single-output 2-phase synchronous buckcontroller improves the accuracy of inductor DCR sensingby compensating for changes in DCR due to temperature.

    标签: 同步降压型 控制器 负载

    上传时间: 2013-11-05

    上传用户:guobing703