2 layer stack-up, Outline, 1 board – ADLINK aTCA-N700 User Manual

Page 55

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aTCA-RN710 User's Guide

55

11.2 Layer Stack-up

The layering of the PCB is illustrated in Figure 11-2. The blade has 10 layers of PCB laminate
with FR408HR material, which has a low dielectric constant and low dissipation factor that are
adequate to support 10Gbps SerDes signals.

Design Specifications

Design Specifications

Lyrs: 1L(Ref 2L) & 10L(Ref 9L)

Lyrs:

1L(Ref 2L) & 10L(Ref 9L)

Line: 5.30mil

Line:

3.70mil Space: 6.30mil

Zo: 50Ω Tol:

10%

Zd:

100Ω Tol: 10%

Lyrs: 3L(Ref 2L & 4L)

Lyrs:

3L(Ref 2L & 4L)

Line: 6.10mil

Line:

4.35mil Space: 5.65mil

Zo: 50Ω Tol:

10%

Zd:

100Ω Tol: 10%

Lyrs

8L(Ref 7L & 9L)

Lyrs

8L(Ref 7L & 9L)

Line

6.10mil

Line

4.35mil Space: 5.65mil

Zo: 50Ω Tol:

10%

Zd:

100Ω Tol: 10%

Zo Line

Zd Line Space Line

1

49.9

5.30

100.1

3.70 6.30

3.70

10.00

1

2

2

3

50.0

6.10

99.8

4.35 5.65

4.35

10.00

3

4

4

5

5

6

6

7

7

8

50.0

6.10

99.8

4.35 5.65

4.35

10.00

8

9

9

10

49.9

5.30

100.1

3.70 6.30

3.70

10.00

10

Figure 11-2 PCB Layer Stack-up

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