ADN4604
DATA OUT
PATTERN
GENERATOR
50Ω CABLES
2
2
TP1
50Ω CABLES
FR4 TEST BACKPLANE 2
2
DIFFERENTIAL
STRIPLINE TRACES
TP2
8mils WIDE, 8mils SPACE,
8mils DIELECTRIC HEIGHT
LENGTHS = 10 INCHES, 20 INCHES,
30 INCHES, 40 INCHES
INPUT OUTPUT
PIN
PIN
ADN4604
AC-COUPLED
EVALUATION
BOARD
50Ω CABLES
2
2
TP3
50Ω
HIGH
SPEED
SAMPLING
OSCILLOSCOPE
0.167IU/DIV
REFERENCE EYE DIAGRAM AT TP1
Figure 11. Equalization Test Circuit
0.167IU/DIV
Figure 12. 4.25 Gbps Input Eye, 20 Inch FR4 Input Channel
(TP2 from Figure 11)
0.167IU/DIV
Figure 14. 4.25 Gbps Output Eye, 20-Inch FR4 Input Channel, EQ = 12 dB
(TP3 from Figure 11)
0.167IU/DIV
Figure 13. 4.25 Gbps Input Eye, 40-Inch FR4 Input Channel
(TP2 from Figure 11)
0.167IU/DIV
Figure 15. 4.25 Gbps Output Eye, 40-Inch FR4 Input Channel, EQ = 12 dB
(TP3 from Figure 11)
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