Figure 5. Eye diagram of FM_NODE[1]± high-speed differential output.
Note:
Measurement taken with a 2
7
-1 PRBS input to FM_NODE[0]±.
RANDOM JITTER
HP70841B
PATTERN
GENERATOR
HDMP-0452
± DATA
2
BIAS TEE
± FM_NODE[0]
BYPASS[0]–
BYPASS[1:4]–
REFCLK
± TO_NODE[0]
1 kΩ
N/C
K28.7
CLOCK
1062.5 MHz
1.4 V
2
106.25 MHz
1/10
CH 1/2
106.25 MHz
TRIGGER
HP70311A
CLOCK SOURCE
HP83480A
DIGITAL
COMMUNICATION
ANALYZER
Figure 6. Setup for measurement of random jitter.
DETERMINISTIC JITTER
HP70841B
PATTERN
GENERATOR
HDMP-0452
± DATA
2
BIAS TEE
± FM_NODE[0]
BYPASS[0]–
BYPASS[1:4]–
REFCLK
± TO_NODE[0]
1 kΩ
N/C
+K28.5 –K28.5
CLOCK
1062.5 MHz
1.4 V
2
106.25 MHz
1/10
CH 1/2
106.25 MHz
1/2
53.125 MHz
TRIGGER
HP70311A
CLOCK SOURCE
HP83480A
DIGITAL
COMMUNICATION
ANALYZER
Figure 7. Setup for measurement of deterministic jitter.
9
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
