How to make a Impedance control instruction for PCB supplier?

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Impedance control instruction for PCB supplier

If you PCB need to control impedance,cutomer need to make a instruction
for your PCB supplier.

Follow is a Mocro soft excel file,you just fill it as your requirement and send
It to PCB manufacturer,please adjust layers as your PCB design.
Impedance control requirement sheet

If you need to make impedance control PCB from our factory,
Please contact with us,and welcome enquiry any more other question.

Email:  rocky@andwinpcb.com
Skype: pcbchina6

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