发明名称 |
Radio station preamplifier circuit with interior and exterior preamplifiers |
摘要 |
A method and circuit for preamplifying reception signals for a radio station. A first preamplifier is connected between an antenna unit and to the radio station. A second preamplifier is provided in the radio station, the second preamplifier being bridged by a bridge line. A switch can selectively switch the radio signals through either the second preamplier or the bridge line, under control of a controller.
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申请公布号 |
US6236265(B1) |
申请公布日期 |
2001.05.22 |
申请号 |
US19980161444 |
申请日期 |
1998.09.25 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
FAERBER MICHAEL;HEINZ HELMUT;KOTTKAMP MEIK |
分类号 |
H04B1/10;H04B1/18;(IPC1-7):H03F1/14 |
主分类号 |
H04B1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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