Specifications

11-15
Performance Tests
Pattern Generator Tests
Data Delay
1. Connect the pattern generator clock and data outputs to the oscilloscope as shown in
Figure 11-7 and set up a 1010 pattern at 1.0 Gb/s. Set the pattern generator Pattern
Trigger to trigger on Pattern.
Figure 11-7
2. Select , and use the RPG control to adjust the delay
betweenclockanddatatoread0ps.
3. Ensure that the clock signal can be moved over a range of ±1 ns relative to the data eye.
4. Repeat steps 1 to 3 for data rates of 4.5, 9 and 12 Gb/s (12.5 Gb/s for the 70843C)
ensuring that the shift available is ±1 clock period long.
data output
DATA DELAY