Anritsu BERTWave MP2100B, Руководство по эксплуатации, Страница: 154 / 382

Chapter 5 Generating Pulse Signal
5-22
Pattern Logic
There are two types of logic; Positive Logic (POS) and Negative Logic
(NEG).
With positive logic, the voltage at the Data connector goes High when the
data is “1”.
With negative logic, the voltage at the Data connector goes Low when the
data is “1”.
Data Pattern 0 1 0 0 1 1 0 1 0 1
At POS
At NEG
Data Connector Voltage
Time
Time
0
0
Data Connector Voltage
Figure 5.6-2 Relationship between Logic Setting and Output Voltage
Waveform at Connector
Set the pattern using the following procedure.
1. Touch the button for Test Pattern (in Figure 5.1-2, its name is
“Programmable Pattern”), and you will see the Test Pattern dialog
box.
2. Touch the button for the pattern you want to set.
3. If you select [Programmable Pattern], the button for Programmable
Pattern on the right becomes active. Touch the button, and you will
see the Programmable Pattern dialog box.