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Pcb layer stack-up, Figure 12-2 pcb layer stack-up (preliminary) – ADLINK aTCA-N700 User Manual

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aTCA-N700 HW Users Guide

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12.2. PCB Layer Stack-up

At the specified thickness of 2.45mm, a PCB may have around 20 internal layers. The blade is targeted to
have 20 layers of PCB laminate with a material compliant to a high speed, low loss epoxy such as
TU872SLK, which has a low dielectric constant (Dk ~ 3.6 at 10GHz) and low dissipation factor (Df ~ 0.008
at 10GHz). Figure 12-2 shows a layer stack-up example, which is subject to change.


Figure 12-2 PCB layer stack-up (preliminary)