[{"title":"(3个子文件1.84MB)LM1875音频功放板功率放大板Protel99se设计硬件原理图PCB文件.zip","children":[{"title":"POWERAMP.ddb <span style='color:#111;'>10.34MB</span>","children":null,"spread":false},{"title":"POWERAMP.PCB <span style='color:#111;'>327.39KB</span>","children":null,"spread":false},{"title":"功放电路.Sch <span style='color:#111;'>19.69KB</span>","children":null,"spread":false}],"spread":true}]