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TLK6002EVM Board Layouts
Table 2. TLK6002EVM Layer Construction
Subclass
Type
Material
Thickness
Conductivity
Dielectric
Loss
Width
Impedance
(1)
Name
(mil)
(mho/cm)
Constant
Tangent
(mil)
(
Ω
)
SURFACE
AIR
TOP
CONDUCTOR
COPPER
2.4
595900
1
0
9.5
47.903
DIELECTRIC
FR-4
5
0
4.1
0.035
L2_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
5
0
4.1
0.035
L3_PWR
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
5
0
4.1
0.035
L4_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
7
0
4.1
0.035
L5_SIG
CONDUCTOR
COPPER
1.2
595900
1
0
6.0
50.337
DIELECTRIC
FR-4
7
0
4.1
0.035
L6_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
7
0
4.1
0.035
L7_SIG
CONDUCTOR
COPPER
1.2
595900
1
0
6.0
50.337
DIELECTRIC
FR-4
7
0
4.1
0.035
L8_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
4
0
4.1
0.035
L9_PWR
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
4
0
4.1
0.035
L10_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
4
0
4.1
0.035
L11_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
7
0
4.1
0.035
L12_SIG
CONDUCTOR
COPPER
1.2
595900
1
0
6.0
50.337
DIELECTRIC
FR-4
7
0
4.1
0.035
L13_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
7
0
4.1
0.035
L14_SIG
CONDUCTOR
COPPER
1.2
595900
1
0
6.0
50.337
DIELECTRIC
FR-4
7
0
4.1
0.035
L15_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
5
0
4.1
0.035
L16_PWR
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
5
0
4.1
0.035
L17_GND
PLANE
COPPER
1.2
595900
1
0
DIELECTRIC
FR-4
5
0
4.1
0.035
BOTTOM
CONDUCTOR
COPPER
2.4
595900
1
0
9.5
47.903
SURFACE
AIR
(1)
The Impedance is set to be slightly less than 50
Ω
on the traces in order to compensate for slight over-etching during the
manufacturing process. The end impedance after etching should result in a 50-
Ω
Impedance. Always consult with your board
manufacturer for their process/design requirements to ensure the desired impedance is achieved.
71
SLLU132 – October 2010
TLK6002 Dual-Channel, 0.47-Gbps to 6.25-Gbps, Multi-Rate Transceiver
Evaluation Module
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