User guide

Continuous B
Select this option to send out only pattern B repeatedly.
B0 B1 B2
B B B B B B B B B B B BData Out
Alternate AB
Select this option to alternately send out patterns A and B (A, B, A, B...).
Data Out
B0
B B B B
A0 A0
A A A A A A A A
B0
B B B B
Single Shot B
Select this option in the Alternate Pattern Control dialog box to enable the Insert
B button on the main display.
When you press the Insert B button, pattern B is inserted into the continuous
output of pattern A.
Data Out A A A A A A A A B B B B A
A0 A0 B0 A0
A A A
Insert B pressed
Aux In
In this section you can enable the Aux In port to control the output pattern. Aux
In can receive signals that control alternate patterns or blank the output.
The signals received at this port must be TTL-compatible. The granularity for signals
at this port is 512 bits.
The following options are available for Aux In:
•
Disable
With this option selected, the signal at the Aux In port will be ignored.
•
Level Sensitive
– If Aux In is logic high, pattern B is sent.
– If Aux In is logic low, pattern A is sent.
Setting up the Pattern Generator 4
Agilent J-BERT N4903B High-Performance Serial BERT 165