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公开(公告)号：EP2033310B1
公开(公告)日：2011-03-02
申请号：EP07720120.0
申请日：2007-05-04
申请人： Baumer Electric AG
CPC分类号： H03J3/04 , H03B5/04 , H03K17/9547
摘要： In the LC parallel resonant circuit in accordance with the invention, the line resistance (RS) of the coil (L) is neutralized by means of the voltage signal from an auxiliary voltage source (UA1), which is connected in series with the capacitor (C). In order to control the auxiliary voltage source (UA1), a measuring resistor (RE) is arranged in series with the coil resistance (RS). An auxiliary current source (IA2) produces voltages via the measuring resistor (RE) and the coil resistance (RS), from which voltages a factor for the control of the auxiliary voltage source (UA1) is derived.
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公开(公告)号：EP2033310A1
公开(公告)日：2009-03-11
申请号：EP07720120.0
申请日：2007-05-04
申请人： Baumer Electric AG
CPC分类号： H03J3/04 , H03B5/04 , H03K17/9547
摘要： In the LC parallel resonant circuit in accordance with the invention, the line resistance (RS) of the coil (L) is neutralized by means of the voltage signal from an auxiliary voltage source (UA1), which is connected in series with the capacitor (C). In order to control the auxiliary voltage source (UA1), a measuring resistor (RE) is arranged in series with the coil resistance (RS). An auxiliary current source (IA2) produces voltages via the measuring resistor (RE) and the coil resistance (RS), from which voltages a factor for the control of the auxiliary voltage source (UA1) is derived.
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