| 摘要 |
Operating device (1) for operating illuminants, especially LEDs, comprising connections (P1, P2) for drawing power from a power supply network (20), a downstream network filter (C1, L3, L4) and a rectifier (14) having a monitoring circuit for identifying whether an alternative voltage is applied to the connections (P1, P2) for drawing power or not, said monitoring circuit comprising a capacitive voltage divider (C6, C3) which is interposed between one of the two inputs of the rectifier (14) and ground. |
