Chapter 5 How to Operate BERT
5-2
5.1 Procedure for Generating Pulse Signal
The basic procedure is as shown in the following figure.
Figure 5.1-1 Basic Procedure of Generating Pulse Signal
Starting
Set the PPG amplitude.
Select a reference clock.
Is the bit rate
standard Variable?
Input the clock to Ext
Clk In connector.
Set the pattern.
Set the bit rate and
offset.
Turn Data/XData on.
End
Is the external
clock used?
No
Yes
No
Yes
Set the bit rate standard.
Set positive logic or
negative logic.
Input the external
attenuation factor.
Is an external
attenuator used?
Yes
No
Set the Sync
Output.
Yes
No
Set external
attenuation to 0.
Is the synchronous
output used?
Set the division
ratio.
Click Apply button.
Set the ED inputs and
thresholds.
Set Gating and ED result
display.
Click Start/Stop.