ADN4600
Figure 15 to Figure 18 were obtained using the standard test circuit shown in Figure 14.
50Ω CABLES
50Ω CABLES
50Ω CABLES
DATA OUT 2
2 INPUT OUTPUT 2
PIN
PIN
2 FR4 TEST BACKPLANE 2
2
50Ω
PATTERN
GENERATOR
ADN4600
TP1 AC-COUPLED
EVALUATION
BOARD
DIFFERENTIAL
TP2 STRIPLINE TRACES
8mils WIDE, 8mils SPACE,
8mils DIELECTRIC HEIGHT
TRACE LENGTHS = 30''
TP3
HIGH SPEED
SAMPLING
OSCILLOSCOPE
Figure 14. Output Pre-Emphasis Test Circuit, FR4
50ps/DIV
Figure 15. 3.25 Gbps Output Eye, 30 Inch FR4 Output Channel, PE = 0
(TP3 from Figure 14)
50ps/DIV
Figure 17. 3.25 Gbps Output Eye, 30 Inch FR4 Output Channel, PE = Best Setting
(TP3 from Figure 14)
50ps/DIV
Figure 16. 4.25 Gbps Output Eye, 30 Inch FR4 Output Channel, PE = 0
(TP3 from Figure 14)
50ps/DIV
Figure 18. 4.25 Gbps Output Eye, 30 Inch FR4 Output Channel, PE = Best Setting
(TP3 from Figure 14)
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