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如何将单直流电源改成正负电源
更新时间: 2020-10-13 00:00:00  

改成正负电源的方法是在变压器的基础上加2个绕组,2个9伏绕组,1个前级供电绕组,好处就是前后级供电独立互不干扰。原变压器不变,后面增加一个双绕组变压器给后级攻防电路供电,这样做成本比较高。单电源变双电源可以用多谢震荡电路经过电容二极管方式搭接获得双电源,最最大的缺点就是功率低,还有就是,处理后获得的双电源,还不能与该变压器单绕组整流滤波后的电路共用接地。

关键词: 如何 直流 电源 正负

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