[{"title":"( 4 个子文件 1.36MB ) 基于PE43702的最小0.5dB精密步进衰减器 原理图+PCB","children":[{"title":"PE43702 18.3.31 V1.2.PrjPcb <span style='color:#111;'> 36.20KB </span>","children":null,"spread":false},{"title":"说明.txt <span style='color:#111;'> 41B </span>","children":null,"spread":false},{"title":"PE43702 18.3.31 V1.2.SchDoc <span style='color:#111;'> 255.50KB </span>","children":null,"spread":false},{"title":"PE43702 18.3.31 V1.2.PcbDoc <span style='color:#111;'> 1.89MB </span>","children":null,"spread":false}],"spread":true}]