搜索 - 科创

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3、对GDT的波形进行观察，发现上升沿很缓慢、振铃很大。重新用磁环、磁罐分别绕制了较好的GDT，又提高了驱动能力，波形变好了很多。4、但仍然在击穿管子，前前后后已经穿了20几只管子了。

今天用小翠的方法测了一下驱动波形一路的比较正常死区明显幅值也正常（用了*10的探头在示波器上没调过来）15V左右另外两路就没那么幸运了一路的下桥直接上电就输出高电平另一路没有负压驱动电压也不够这下总算是找到病根了

我的带载波形还是挺好的！只是空载的时候波形有很大的尖峰不只怎麽回事？？现在要解决的是谐振电感发热较严重，这应该和磁环材料有关，我用的是黄白颜色的磁环！想买个铁硅铝磁芯淘宝上不知哪一家的质量好！

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