Circuit for inductive sensors and method for its use

申请公布号：EP1460386(A3)

申请号：EP20040000683

申请日期：2004.01.15

申请公布日期：2006.03.29

申请人：

E.G.O. ELEKTRO-GERAETEBAU GMBH

发明人：KNAPPE, GERD;PERRIN, WILHELM

分类号：G01B7/00;G01D5/20;F24C7/04;H05B6/12

主分类号：G01B7/00

摘要：Circuit arrangement for a number of inductively operating sensors (L1-L4) has control (13) and evaluation means for the sensors and sensor signals. The control means are connected to the sensor via MOSFET switches (S1-S4) with low drain-source resistance. The invention also relates to a corresponding method for control of the MOSFET switches in which the gate control voltage is regulated so that a frequency is output that is constant over a temperature range.

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