| 摘要 |
Power supply circuit for a lamp with progressive wave, with an earthed internal delaying line structure, where a power source consisting of a high-voltage transformer and a Graetz circuit is connected, via an RC π type four-terminal network, to the electrodes of the lamp, while the terminals of the input capacitor of the RC four-terminal network are connected, via a resistor on the side of positive potential with respect to the frame and via a protective resistor and current transformer of the side of negative potential with respect to the frame, to the collector and cathode of the lamp, and the terminals of the output capacitor of the RC π type four-terminal network are connected to the internal delaying line structure and the cathode of the lamp with progressive wave, characterized in that a terminal of the output capacitor (C2), connected to a high-inductance choke (L), is earthed to the frame.<IMAGE>
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