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1. 发明申请

US20050163247A1 Isolation barrier for interfacing a line side device to a system side device 审中-公开
标题翻译：将线路侧设备连接到系统端设备的隔离屏障
公开(公告)号：US20050163247A1
公开(公告)日：2005-07-28
申请号：US10758458
申请日：2004-01-15
申请人： Michael Vlasov , Richard Ward , Karen Guthrie
发明人： Michael Vlasov , Richard Ward , Karen Guthrie
IPC分类号： H04L27/04 , H03K19/0175 , H03C1/52 , H03C5/00 , H04L27/02
CPC分类号： H04L27/04 , H04L25/0266
摘要： According to one embodiment, an isolation barrier comprises a transformer and a controlled impedance module. The system side device generates an amplitude modulated clock signal when the system side device is in a transmit mode, and generates an unmodulated clock signal when the system side device is in a receive mode. When the system side device is in the receive mode, the controlled impedance module modulates, according to the data being transmitted by the line side device, the unmodulated clock signal incoming from the system side device. The transformer is utilized in bidirectional data transfer to provide the line side device with the amplitude modulated clock signal generated by the system side device, while providing the system side device with the amplitude modulated clock signal generated by the controlled impedance module and the line side device.
摘要翻译：根据一个实施例，隔离屏障包括变压器和受控阻抗模块。当系统侧设备处于发送模式时，系统侧设备产生幅度调制时钟信号，并且当系统侧设备处于接收模式时产生未调制的时钟信号。当系统侧设备处于接收模式时，受控阻抗模块根据由线路侧设备发送的数据调制从系统侧设备进入的未调制时钟信号。变压器用于双向数据传输，为线路侧设备提供系统侧设备产生的幅度调制时钟信号，同时向系统侧设备提供由受控阻抗模块和线路侧设备产生的幅度调制时钟信号。

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