搜索 - 科创

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系统电源模块 220 V市电经220 V／17.5 V变压器降压后得到的双17.5 V交流电压，经过一个全桥整流后可得到±21 V两路电压，其中一路+21 V电压供给调整管，作为电源对外输出，另一路经三端稳压器

无视那个二极管),从废旧电视机板上拆下来的,有仨很细漆包线的绕组(排除是EMI电感),把两个绕组串联当初级,另一个绕组当次级,初级电感大于3mH,次级电感1.46mH: 蛋疼的搭焊效果图低压(全桥整流

这个是在国外比较常见的小型特斯拉线圈，对一次侧高压全桥整流和电容滤波之后，再对一次侧蓄能电容进行充电（通路上的两个高压扼流线圈L1 L2是阻止高频成分回串用的），然后击穿火花间隙向L3放电传递能量，

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