AD8156

Rev. 0 | Page 10 of 20

25ps/DIV

Figure 14. Input Eye Diagram at 6.25 Gbps, 40” FR4

0

DIFFERENTIAL INPUT (V p-p)

1.0

0.5

2.0

1.5

2.5

6.25Gbps

3.2Gbps

35

0

30

25

20

15

10

5

Figure 15. Deterministic Jitter vs. Input Signal Level (No EQ)

35

0

06

INPUT DATA RATE (Gbps)

30

25

20

15

10

5

2

15

4

3

7

DETERMINISTIC

JITTER

Figure 16. Deterministic Jitter vs. Data Rate (No EQ)

25ps/DIV

Figure 17. Output Eye Diagram at 6.25Gbps, 40” FR4, Optimal EQ

35

0

–40

80

TEMPERATURE (°C)

30

25

20

15

10

5

0

–20

60

40

20

6.25Gbps

Figure 18. Deterministic Jitter vs. Temperature (Optimal EQ, 20” FR4)

35

0

0.1

10

FREQUENCY (GHz)

30

25

20

15

10

5

1

Figure 19. Input EQ Gain vs. Frequency