| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a voltage detection device that accurately detects a voltage by surely suppressing a common mode noise even when commonly grounded with a post stage control circuit. <P>SOLUTION: Grounding (GND) of a voltage detection device 29 and grounding (GND) of a post stage control circuit 26 are shared. A voltage obtained by dividing a voltage by resistor voltage dividing means 100 is fed to the control circuit 26 via an insulating amplifier 12. Capacitors 27 and 28 are connected between both input terminals and the grounding (GND) of the insulating amplifier 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
