IEEE1394分為兩種傳輸方式:Backplane模式和Cable模式。Backplane模式最小的速率也比USB1.1最高速率高，分別為12.5 Mbps 、25 Mbps、50 Mbps，可以用于多數的高帶寬應用。Cable模式是速度非常快的模式，分為100 Mbps、200 Mbps和400 Mbps幾種，在200Mbps下可以傳輸不經壓縮的高質量數據電影。 IEEE 1394a-2000(FireWire 400)和IEEE 1394-1995幾乎相同，改良數個地方之后制定的新規格。為了和后述的IEEE 1394b分別，因此稱為"FireWire 400"。在工業上使用的時候，有時就單純稱呼為".a"。
標簽： IEEE1394A-2000
上傳時間： 2015-12-10
上傳用戶：1349390864
PRODUCT DESCRIPTION The AD810 is a composite and HDTV compatible, current feedback, video operational amplifier, ideal for use in systems such as multimedia, digital tape recorders and video cameras. The 0.1 dB flatness specification at bandwidth of 30 MHz (G = +2) and the differential gain and phase of 0.02% and 0.04° (NTSC) make the AD810 ideal for any broadcast quality video system. All these specifications are under load conditions of 150 ? (one 75 ? back terminated Cable). The AD810 is ideal for power sensitive applications such as video cameras, offering a low power supply current of 8.0 mA max. The disable feature reduces the power supply current to only 2.1 mA, while the amplifier is not in use, to conserve power. Furthermore the AD810 is specified over a power supply range of ±5 V to ±15 V.
上傳時間： 2020-04-19
上傳用戶：su1254
In recent years, cellular voice networks have transformed into powerful packet-switched access networks for both voice communication and Internet access. Evolving Universal Mobile Telecommunication System (UMTS) networks and first Long Term Evolution (LTE) installations now deliver bandwidths of several megabits per second to individual users, and mobile access to the Internet from handheld devices and notebooks is no longer perceived as slower than a Digital Subscriber Line (DSL) or Cable connection. Bandwidth and capacity demands, however, keep rising because of the increasing number of people using the networks and because of bandwidth-intensive applications such as video streaming. Thus, network manufacturers and network operators need to find ways to continuously increase the capacity and performance of their cellular networks while reducing the cost.
標簽： BRINGING NETWORKS Beyond and 3G 4G
上傳時間： 2020-05-26
上傳用戶：shancjb
Wireless Fidelity (Wi-Fi) networks have become mainstream over the last few years. What started out as Cable replacement for static desktops in indoor networks has been extended to fully mobile broadband applications involving moving vehicles, high-speed trains, and even airplanes.
標簽： Technologies Emerging Wireless Theory LANs in
上傳時間： 2020-05-27
上傳用戶：shancjb
The field of digital communication has evolved rapidly in the past few decades, with commercial applications proliferating in wireline communi- cation networks (e.g., digital subscriber loop, Cable, fiber optics), wireless communication (e.g., cell phones and wireless local area networks), and stor- age media (e.g., compact discs, hard drives). The typical undergraduate and graduate student is drawn to the field because of these applications, but is often intimidated by the mathematical background necessary to understand communication theory.
標簽： Communication Fundamentals Digital of
上傳時間： 2020-05-27
上傳用戶：shancjb
The insinuation of telecommunications into the daily fabric of our lives has been arguably the most important and surprising development of the last 25 years. Before this revolution, telephone service and its place in our lives had been largely stable for more than a generation. The growth was, so to speak, lateral, as the global reach of telecommunications extended and more people got telephone service. The distinction between oversea and domestic calls blurred with the advances in switching and transmission, undersea Cable, and communication satellites. Traffic on the network remained overwhelmingly voice, largely in analog format with facsimile (Fax) beginning to make inroads.
標簽： Telecommunications Modeling Analysis and of
上傳時間： 2020-05-31
上傳用戶：shancjb
The dictionary definition of telecommunications is ‘communication over long distance by Cable, telegraph, telephone or broadcasting’, but since its initiation over 100yearsagothingshavemovedrapidly.Telecommunicationsisnowaverycomplex industrywithmanydifferentpressures,operatinginahighlydynamic environment.It is best viewed as part of a wider industry known as information and communication technology (ICT). The purpose of this chapter is to explain where telecommunication fits in, to highlight some of the complexities – hopefully to simplify them – and to position the industry in today’s dynamic business environment.
標簽： Telecommunications Understanding Business
上傳時間： 2020-06-01
上傳用戶：shancjb
USB Type-C Connectors and Cable Assemblies Compliance Document Revision 2.1b 2021 國外網站下載的最新type-c 快充資料，分享一下
上傳時間： 2021-11-14
上傳用戶：kingwide
HDMI (High Definition Media Interface， 高 清 多 媒 體接口 ) ，由于可以同時傳輸視頻和音頻數據，且連 接簡單，兼容性好等特點，被廣泛的應用在消費電 子產品上，例如電視，機頂盒，投影儀等。HDMI 系 統 可 以 劃 分 4 個 種 類，Source，Sink，Cable ， 和 Repeater，為了保證這些設備良好的兼容性，規范對 電氣信號做出了信號完整性的要求。
標簽： hdmi
上傳時間： 2022-05-30
上傳用戶：
1. Impact 軟件或者ISE 軟件停止工作系統升級了Win10，安裝ISE14.7 后發現了一些問題， 影響了軟件的使用， 非常不爽，檢索了網上的解決信息，嘗試了一些方法，基本解決了問題，先總結如下：1.ISE （64bit ）軟件在進行打開文件或文件夾操作時，軟件出現閃退的現象， ISE（32bit ）沒有這個問題。解決方法：找到程序安裝路徑下的這兩個文件夾X:\Xilinx\14.7\ISE_DS\ISE\lib\nt64X:\Xilinx\14.7\ISE_DS\common\lib\nt64首先在第一個文件夾中，重命名libPortability.dll 為libPortability.dll.orig ，然后復制libPortabilityNOSH.dll 的一個副本并重命名為libPortability.dll ，這樣你就又有一個libPortability.dll 文件了；然后在第二個文件夾，將之前得到的新的libPortability.dll 覆蓋到這個文件夾中。EDK沒有libPortabilityNOSH.dll 這個文件，把ISE 的復制過來就可以了2.Xilinx 下載電纜找不到的問題原先在Win7 下電纜去驅動是自己安裝的， 沒有這個煩惱，Win10下雖然也會自己安裝，但是在iMpact 或ChipScope 下面會提示找不到電纜錯誤。解決方法：進入這個目錄： X:\Xilinx\14.7\ISE_DS\common\bin\nt64雙擊install_drivers.exe ，如果電腦有連接Cable 請按照提示斷開連接，安裝完畢后就可以正常使用了。解決辦法： 因為ISE 64位軟件和win10/win8 系統不太兼容， 需要打開ISE 32位軟件，再打開ISE開發環境下的Impact 工具。3. ISE 安裝后無法打開有安裝完 ISE軟件后，打開時顯示Clip host, 如下圖。
上傳時間： 2022-06-23
上傳用戶：qingfengchizhu
