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本刊2003年第5期第11页刊登了笔者的《屡烧电源开关管与“错换”快恢复二极管有关》,笔者在文中引用了一句:三洋A3机芯开关电源电路中的VD517是正反馈元件,VD517的作用是加大由正反馈绕组提供给电源开关管V513的基极电流,使V513加快进入饱和状态。之后,本刊2003年第11期第23页又刊登了《浅析振荡电容放电回路二极管的作用与不同电路结构》(以下简称《浅析》)一文。认真阅读《浅析》一文,
Published in 2003 No. 5 page 11 published the author’s “repeatedly burning power switch with” wrong “fast recovery diodes,” I quote in the text: Sanyo A3 core switching power supply circuit VD517 is a positive feedback Components, VD517 role is to increase the positive feedback winding to the power supply switch V513 base current, so V513 accelerate into saturation. After that, we published the article “Analysis of the Role of Diode with Oscillatory Capacitor Discharge Circuit and Different Circuit Structure” (hereinafter referred to as “Analysis”). Carefully read the “Analysis” article,