| 摘要 |
The invention relates to a circuit arrangement (20) for a piezo transformer (22) comprising a driver circuit (23), to which the piezo transformer (22) can be connected, and a current sensor (21) for the determining an incoming power signal (IM), which is subject to an incoming current (IE) flowing through the piezo transformer (22). The invention further relates to the circuit arrangement (20) of a control unit (24) for providing a control signal (ST), which is subject the incoming power signal (IM); and an oscillator (25) having an oscillator output (43) for emitting an oscillator signal (SO) to a driver signal input (44) of the driver circuit (23) subject to the control signal (ST).
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