Light source device of a dielectric barrier discharge lamp

A light source device for a dielectric barrier discharge lamp which comprises:

• a dielectric barrier discharge lamp having a discharge space, said discharge space being filled with a discharge gas which produces excimers by a dielectric barrier discharge:
• first and second electrodes;
• a dielectric positioned between at least one of the first and second electrodes for inducing a discharge in the discharge gas;
• and
• a feed device for applying an essentially periodic AC high voltage to the first and second electrodes of the dielectric barrier discharge lamp,
• wherein the feed device includes a setting means for adjusting both the control frequency of the essentially periodic AC high voltage and the amplitude of the essentially periodic AC high voltage in accordance with a set control frequency;
• wherein the feed device comprises a power source, a voltage controller including a switching device for controlling the feed voltage from the power source, an inverter including a pair of switching devices, said inverter being triggered by the feed voltage controlled by the voltage controller, an inverter switching device driver signal generating means for producing signals for driving the switching devices of the inverter, a voltage control switching device driver signal generating means for producing a signal for driving the switching device of the voltage controller, and a setting means.