| 摘要 |
A power supply unit for operation of gas-discharge lamps, having an input for the DC voltage supply, an oscillator section and power driver stage in the primary circuit and the lamp in the secondary circuit of a high-voltage transformer, characterised by an oscillator (40) which is excited to produce square-wave oscillations, a power driver (50) which operates in the switching mode, and a secondary circuit of the high-voltage transformer (L2, L3), which circuit is constructed as a parallel tuned circuit (L3, C2) and in parallel with which the lamp (30) is connected. <IMAGE>
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