发明授权
- 专利标题： Signal input circuit with controlled input signal attenuation
- 专利标题（中）： 信号输入电路具有受控的输入信号衰减
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申请号： US478523申请日： 1983-03-22
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公开(公告)号： US4494076A公开(公告)日： 1985-01-15
- 发明人: Heinz Rinderle
- 申请人： Heinz Rinderle
- 申请人地址： DEX Heilbronn
- 专利权人： TELEFUNKEN electronic GmbH
- 当前专利权人： TELEFUNKEN electronic GmbH
- 当前专利权人地址： DEX Heilbronn
- 优先权： DEX3210453 19820322
- 主分类号： H04B1/18
- IPC分类号： H04B1/18 ; H03G3/18 ; H03H7/25 ; H03H11/24
摘要：
A signal input circuit comprising a control member for the controllable attenuation of the input signal and firmly set reactances for the selection of the input signal, wherein the reactances are connected and dimensioned in such a way that there exists a circuit point which has a large impedance compared to the impedance of the signal source, and the control member acts upon this circuit point.
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