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    • 1. 发明申请
    • CROSSTALK EMULATOR FOR XDSL CABLE
    • 用于XDSL电缆的CROSSTALK仿真器
    • WO2012072455A1
    • 2012-06-07
    • PCT/EP2011/070747
    • 2011-11-23
    • ALCATEL LUCENTVANDERHAEGEN, DirkHILLAERT, BartTROCH, Wim
    • VANDERHAEGEN, DirkHILLAERT, BartTROCH, Wim
    • H04B3/32H04B3/46H05K1/02
    • G06F11/3652H04B3/32H04B3/487
    • A crosstalk emulator for a cable, preferably a xDSL telecommunication cable, represented by several emulation paths each comprising a first segment (L1a/L4a) serially connected to a second segment (L1b /L4b) on a printed circuit board PCB. The first and second segments of a same emulation path form an angle, e.g. of about 90 degrees, at their junction point. All the emulation paths have a same length and preferably run in parallel over the PCB. As a result, each emulation path crosses only once (X21) any other emulation path at a cross-point. Furthermore, the area occupied by the crosstalk emulator on the PCB is reduced with respect to a matrix topology, whereby the present topology can easily be extended to large numbers of couplings, allowing design guidance for a passive coupling emulator with a large amount of coupling elements (CP) at the cross-points.
    • 一种用于电缆,优选xDSL通信电缆的串扰仿真器,由多个仿真路径表示,每个仿真路径包括串行连接到印刷电路板PCB上的第二段(L1b / L4b)的第一段(L1a / L4a)。 相同仿真路径的第一和第二段形成一个角度,例如。 约90度,在它们的交界处。 所有仿真路径具有相同的长度,优选在PCB上并行运行。 因此,每个仿真路径在交叉点仅跨越一次(X21)任何其他仿真路径。 此外,PCB上的串扰仿真器占用的面积相对于矩阵拓扑减少,从而本发明的拓扑可以容易地扩展到大量耦合,从而允许具有大量耦合元件的无源耦合仿真器的设计指导 (CP)在交叉点。
    • 2. 发明申请
    • POWER SUPPLY ARRANGEMENT FOR LINE TERMINATION UNITS
    • 线路终端单元的电源装置
    • WO2011039063A1
    • 2011-04-07
    • PCT/EP2010/063745
    • 2010-09-17
    • ALCATEL LUCENTVAN DEN BERG, EricTROCH, Wim
    • VAN DEN BERG, EricTROCH, Wim
    • H04L25/02H03F1/02
    • H04L25/028H03F1/0244H03F2200/507H03F2200/511H03F2200/516H04L25/0272H04L25/0298H04L27/2614Y10T307/658
    • The present invention relates to a line termination unit (1') comprising: - a line driver (10) for driving a transmission line, with a first supply voltage input terminal (11) and a second supply voltage input terminal (12); - a power supply means (20), with an analog supply voltage output terminal (22) for feeding an analog part of the line termination unit, and at least one digital supply voltage output terminal (23a, 23b, 23c) for feeding a digital part of the line termination unit, and - a ground voltage reference (30). In accordance with a first aspect of the invention, the analog supply voltage output terminal is coupled to the first supply voltage input terminal, and the line termination unit further comprises a selector (40) for selectively coupling one of the at least one digital supply voltage output terminal or the ground voltage reference to the second supply voltage input terminal.
    • 线路终端单元(1')本发明涉及一种线路终端单元(1'),包括: - 用于驱动传输线的线路驱动器(10),具有第一电源电压输入端子(11)和第二电源电压输入端子(12); - 电源装置(20),具有用于馈送线路终端单元的模拟部分的模拟电源电压输出端子(22)和用于馈送数字信号的至少一个数字电源电压输出端子(23a,23b,23c) 线路终端单元的一部分,以及 - 接地电压基准(30)。 根据本发明的第一方面,模拟电源电压输出端耦合到第一电源电压输入端,并且线路终端单元还包括选择器(40),用于选择性地耦合所述至少一个数字电源电压 输出端子或接地电压参考给第二电源电压输入端子。