较深的开关电源的设计知识，如变压器设计，拓扑选择。
Deep switch mode power supply design knowledge, e. g. transformer design, topology selection.
最后给出了利用该变压器设计制作的开关电源的测试结果。
Finally, the application results of the switching mode power supply with the transformer are presented.
并把改进后的开关电源与改进前的开关电源进行了对比验证。
This paper makes a contrast test on the improved switching power supply with the original one.
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