[{"title":"( 6 个子文件 2.18MB ) 单相音频放大器6层电路板设计(原理图、PCB、测试数据等)-电路方案","children":[{"title":"音频放大器电路原理图+PCB源文件.zip <span style='color:#111;'> 478.50KB </span>","children":null,"spread":false},{"title":"FhkDUEL0iN20Wz5JR_rkkBwvKddk.png <span style='color:#111;'> 40.76KB </span>","children":null,"spread":false},{"title":"FoYdkSikzqz7hqWP_wNX8vZ3A1Sv.png <span style='color:#111;'> 545.01KB </span>","children":null,"spread":false},{"title":"测试数据.pdf <span style='color:#111;'> 1.16MB </span>","children":null,"spread":false},{"title":"FnbdBmS79AjBu0Uef4N_kPnL9nnM.png <span style='color:#111;'> 25.62KB </span>","children":null,"spread":false},{"title":"BOM清单.pdf <span style='color:#111;'> 114.55KB </span>","children":null,"spread":false}],"spread":true}]