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公开(公告)号：EP1253714B1
公开(公告)日：2006-10-18
申请号：EP02252905.1
申请日：2002-04-24
IPC分类号： H03H11/36
CPC分类号： H03H11/362
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公开(公告)号：EP1253714A2
公开(公告)日：2002-10-30
申请号：EP02252905.1
申请日：2002-04-24
IPC分类号： H03H11/36
CPC分类号： H03H11/362
摘要： An input interface is provided for interfacing between a radio frequency input, for example from a cable distribution network, and a plurality of radio frequency tuners. The interface comprises a broadband active multipath non-reactive power splitter (41) having an input (39) for receiving a broadband radio frequency signal and a plurality of differential outputs (17). The splitter (41) further has an active power splitting circuit which supplies the broadband radio frequency signal to each of the outputs (17) via a channel (42) comprising an automatic gain control circuit (43) having a single-ended output connected to the input of a differential output buffer (45).
摘要翻译： 提供输入接口用于例如来自电缆分配网络的射频输入和多个无线电频率调谐器之间的接口。 该接口包括具有用于接收宽带射频信号的输入端（39）和多个差分输出（17）的宽带有源多径无功功率分配器（41）。 分路器（41）还具有有源功率分配电路，其经由通道（42）将宽带射频信号提供给每个输出（17），该通道包括一个自动增益控制电路（43），该自动增益控制电路具有连接到 输入差分输出缓冲器（45）。
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公开(公告)号：EP1253714A3
公开(公告)日：2004-03-17
申请号：EP02252905.1
申请日：2002-04-24
IPC分类号： H03H11/36
CPC分类号： H03H11/362
摘要： An input interface is provided for interfacing between a radio frequency input, for example from a cable distribution network, and a plurality of radio frequency tuners. The interface comprises a broadband active multipath non-reactive power splitter (41) having an input (39) for receiving a broadband radio frequency signal and a plurality of differential outputs (17). The splitter (41) further has an active power splitting circuit which supplies the broadband radio frequency signal to each of the outputs (17) via a channel (42) comprising an automatic gain control circuit (43) having a single-ended output connected to the input of a differential output buffer (45).
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