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    • 5. 发明授权
    • High frequency bus system
    • 高频总线系统
    • US6067594A
    • 2000-05-23
    • US938084
    • 1997-09-26
    • Donald V. PerinoBilly Wayne Garrett, Jr.Haw-Jyh LiawDavid NguyenSrinivas NimmagaddaJames A. GasbarroRichard DeWitt Crisp
    • Donald V. PerinoBilly Wayne Garrett, Jr.Haw-Jyh LiawDavid NguyenSrinivas NimmagaddaJames A. GasbarroRichard DeWitt Crisp
    • G06F13/00G06F13/40G11C5/00G11C5/06H05K1/02H05K1/14H05K7/14
    • G11C5/063G06F13/1684G06F13/4086G06F13/409G06F13/4247G11C5/04H05K1/0246H05K1/0248H05K7/1459G11C7/1048H05K1/023H05K1/14H05K2201/044H05K2201/09263H05K2201/10022H05K2201/10159H05K2201/10689
    • A high frequency bus system which insures uniform arrival times of high-fidelity signals to the devices on the high frequency bus, despite the use of the bus on modules and connectors. A high frequency bus system includes a first bus segment having one or more devices connected between a first and a second end. The first bus segment has at least a pair of transmission lines for propagating high frequency signals and the devices are coupled to the pair of transmission lines. The high frequency bus system also includes a second bus segment which has no devices connected to it. The second bus segment also has at least a pair of transmission lines for propagating high frequency signals. The first end of the first segment and second end of the second segment are coupled in series to form a chain of segments and when two signals are introduced to the first end of the second bus segment at the substantially the same time, they arrive at each device connected to the first bus segment at substantially the same time. Also, when two signals originate at a device connected to the first bus segment at substantially the same time, they arrive at the first end of the second bus segment at substantially the same time. Uniform arrival times hold despite the use of connectors to couple the segments together, despite the segments being located on modules, without the need for stubs, despite the presence of routing turns in the segments and despite the type of information, such as address, data or control, carried by the signals.
    • 尽管在模块和连接器上使用了总线,但高频总线系统确保高保真信号的均匀到达时间到高频总线上的设备。 高频总线系统包括具有连接在第一和第二端之间的一个或多个设备的第一总线段。 第一总线段具有用于传播高频信号的至少一对传输线,并且该装置耦合到该对传输线。 高频总线系统还包括没有与其连接的设备的第二总线段。 第二总线段还具有用于传播高频信号的至少一对传输线。 第二段的第一段和第二端的第一端被串联耦合以形成链段,并且当两个信号在基本相同的时间被引入第二总线段的第一端时,它们到达每一个 设备在大致相同的时间连接到第一总线段。 而且,当两个信号在基本相同的时间起始于连接到第一总线段的设备时,它们在几乎相同的时间到达第二总线段的第一端。 尽管使用连接器将段连接在一起,尽管分段位于模块上,而不需要存根,尽管存在分段中的路由选择,并且尽管信息类型(例如地址,数据)也是均匀到达时间 或控制,由信号携带。