Protel 99SE格式 为目前自己手头一个项目，改造某解码器的电源。原来输入为220V，现在输入为12V，输出为3V和3.3V，电流分别为1A。-Protel 99SE own format for the current on-hand a project to transform the power of a decoder. The original input is 220V, now input 12V, output for 3V and 3.3V, respectively