[{"title":"( 4 个子文件 985KB ) PCM2904解码,USB声卡原理图+PCB源文件-电路方案","children":[{"title":"PCM2904电路原理图.pdf <span style='color:#111;'> 397.57KB </span>","children":null,"spread":false},{"title":"Fsayv5p57qQQrd0TkeO-FbAR-a3B.png <span style='color:#111;'> 44.25KB </span>","children":null,"spread":false},{"title":"PCM2904声卡.PcbDoc <span style='color:#111;'> 1.45MB </span>","children":null,"spread":false},{"title":"Fo7vpx9THpkCguG7k9AQUz-uLcsn.png <span style='color:#111;'> 110.78KB </span>","children":null,"spread":false}],"spread":true}]