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4 layer 2.5mm thick impedance control PCB

PCB dimension: 220 x 230mm=1PCS
Basic stack up: 4 Layer PCB
  copper ------- 35um(1oz)+plate TOP layer
  1080 x 2 0.15mm
  copper ------- 35um(1oz)
  Core FR-4 2.0mm
  copper ------- 35um(1oz)
  1080 x 2 0.15mm
  copper ------- 35um(1oz)+plate BOT Layer
Minimum trace and space 4mil/4mil
Minimum / maximum holes 0.4mm/3.8mm
Number of different holes 12
Number of drill holes 5015
Number of milled slots 0
Material: ITEQ FR-4 TG>135
Surface finish: Immersion gold
Solder mask: Green
Contour: rout (mill)
Via: plated through hole(PTH), via tented
Final height of PCB 2.5mm ±0.25
function: digital repeater




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