Device for Producing a Non-Thermal Atmospheric Pressure Plasma and Method for Operating a Piezoelectric Transformer

A device for producing a non-thermal atmospheric pressure plasma and a method for operating a piezoelectric transformer are disclosed. In an embodiment a device includes a piezoelectric transformer, a driver circuit configured to apply an input signal to the piezoelectric transformer and a field probe configured to measure a field strength of an electric field produced by the piezoelectric transformer at a measurement point, wherein the driver circuit is configured to adapt the input signal while taking into account measurement results of the field probe, and wherein the device is configured to produce a non-thermal atmospheric pressure plasma.