After many times tests and modifying design, a sample machine of switch high voltage power supply with high performance index is finished.
经过多次试验和反复补充修改设计，最终制成了一台具有较高性能指标的高压开关电源样机。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。
The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.
选择了反激式开关电源作为高压电源的主电路，并以555脉冲控制电路和反激式驱动电路作为辅助电路。
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