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2. 发明申请

WO2002060015A1 MULTI-CIRCUIT SIGNAL TRANSFORMER 审中-公开
标题翻译：多电路信号变压器
公开(公告)号：WO2002060015A1
公开(公告)日：2002-08-01
申请号：PCT/US2002/001908
申请日：2002-01-23
申请人： ADC TELECOMMUNICATIONS, INC.
发明人： KHEMAKHEM, M'hamed, Anis , FOLLINGSTAD, Michael, Jay , LOVAASEN, Eric, L. , PETERS, Jeffrey, Louis
IPC分类号： H01R27/02
CPC分类号： H01R31/065
摘要： Multiple digital audio transformer circuits are included in a module for mounting in a chassis. These digital audio transformer circuits are comprised of a front mounted twisted pair digital audio cable connector and a rear mounted coaxial cable connector, with circuitry including baluns electrically linking the front and rear connectors to reduce the impedance of the signal and attenuate the amplitude of the signal voltage. In one embodiment, the module may also include removable attenuation pads accessible through the front face of the module to allow variation of the level of voltage attenuation. The preferred embodiment of the module bi-directional transforms 110 Ohm digital audio signals and 75 Ohm coaxial signals. If transformation of other levels of impedance are desired, modules may also allow for removal and replacement of the baluns. A digital audio transformer system including multi-circuit modules and rack mount equipment chassis is also provided.
摘要翻译：多个数字音频变压器电路包含在用于安装在机箱中的模块中。这些数字音频变压器电路由前置双绞线数字音频电缆连接器和后置同轴电缆连接器组成，电路包括电连接前连接器和后连接器的电路，以减少信号的阻抗并衰减信号的幅度电压。在一个实施例中，模块还可以包括可通过模块的前表面访问的可去除的衰减垫，以允许电压衰减水平的变化。该模块的优选实施例双向转换110欧姆数字音频信号和75欧姆同轴信号。如果需要改变其他级别的阻抗，模块还可以允许去除和更换巴伦。还提供了包括多电路模块和机架安装设备底盘的数字音频变压器系统。

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