登录
首页 » 其他项目 » USB规范,特别是USB2.0高速规范,其中重点介绍了USB HUB规范

USB规范,特别是USB2.0高速规范,其中重点介绍了USB HUB规范

于 2022-07-20 发布 文件大小:7.07 MB
0 224
下载积分: 2 下载次数: 1

代码说明:

USB规范,特别是USB2.0高速规范,其中重点介绍了USB HUB规范-USB specification, in particular high-speed USB2.0 specification, which focuses on the norms USB HUB

下载说明:请别用迅雷下载,失败请重下,重下不扣分!

发表评论

0 个回复

  • documents to hide pictures
    把文件隐藏到图片中-documents to hide pictures
    2022-01-25 23:50:52下载
    积分:1
  • 发射部分采用锁相环式频率合成器技术, MC145152和MC12022芯片组成锁相环,将载波频率精确锁定在35MHz,输出载波的稳定度达到4×10...
    发射部分采用锁相环式频率合成器技术, MC145152和MC12022芯片组成锁相环,将载波频率精确锁定在35MHz,输出载波的稳定度达到4×10-5,准确度达到3×10-5,由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制;末级功放选用三极管2SC1970,使其工作在丙类放大状态,提高了放大器的效率,输出功率达到设计要求。-Part of the launch phase-locked loop frequency synthesizer using technology, MC145152 and MC12022 PLL chips to lock in the exact carrier frequency 35MHz, the output carrier to achieve the stability of 4 × 10-5, reaching the accuracy of 3 × 10-5 by the varactor diode V149 and integration to achieve MC1648 chip VCO FM modulation on the carrier selection transistor amplifier at the end of class 2SC1970, to work in the C state to enlarge and improve the efficiency of the amplifier output power to meet the design requirements.
    2022-08-18 16:37:11下载
    积分:1
  • 读出autocad图形数据库中的实体并将实体类名写入excel
    读出autocad图形数据库中的实体并将实体类名写入excel-read graphical database entities of the entity type who would write excel
    2022-01-26 00:31:56下载
    积分:1
  • Unlimited beautiful three
    漂亮的无极限三层架构,用ajax自动分页,很不错,值得学习!-Unlimited beautiful three-tier structure, with automatic paging ajax, very good, it is worth learning!
    2022-07-07 06:47:30下载
    积分:1
  • 一个小的使用,使数学建模的同志们应该知道,我不知道哟…
    一个小的lindo,做数学建模的同志们应该知道吧,不知道你们用得上不。以后有好东西再给大家送来-A small lindo, make mathematical modeling comrades should know, I do not know you is not useful. After the U.S. has brought good things to give
    2022-06-29 10:42:17下载
    积分:1
  • 图论的一些常用代码,包括最小生成树,拓扑排序,最短路径(非负权和负权)...
    图论的一些常用代码,包括最小生成树,拓扑排序,最短路径(非负权和负权)-Graph theory, a number of commonly used code, including the minimum spanning tree, topological sorting, shortest path (non-negative and negative rights)
    2022-01-26 02:08:29下载
    积分:1
  • 计算全球卫星坐标
    计算GPS卫星的坐标值 用文本格式输入星历表 -calculate GPS planet s coordinate and put the form by text
    2023-07-29 15:35:05下载
    积分:1
  • 3DS MAX源了,很好
    一个3ds max源码,挺不错得,可以用来编辑和用来做示范-3ds max a source, a very good
    2022-01-25 22:35:32下载
    积分:1
  • 1234566KALMAN
    在Matlab环境下的kalman滤波程序,有助于理解kalman的原理及其应有-1234566KALMAN
    2023-06-18 17:00:03下载
    积分:1
  • zoomig and add
    zoomig and add-subtract and multiplying image
    2022-06-12 10:24:06下载
    积分:1
  • 696516资源总数
  • 106914会员总数
  • 0今日下载