Anritsu BERTWave MP2100B, Руководство по эксплуатации, Страница: 169 / 382

6.2 Procedure of Measuring Bit Error Rate
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6
Measuring Bit Error
6.2 Procedure of Measuring Bit Error Rate
The following figure shows the basic procedure for measuring the bit error
rate.
Start
Set term ination m ethod.
Set pattern.
End
Touch ED Result button
and Start.
Set positive/negative logic.
Is pattern
Program m able
Pattern?
Set pattern file.
No
Yes
Input external
attenuation factor.
Use external
attenuator?
Yes
No
Set Sync Control
to ON.
Yes
No
Set S ync Control
to O FF.
Set external
attenuation to 0.
Set Fram e Position.
Is G ating C ycle
Untim ed
?
Set G ating
period.
No
Yes
Set threshold voltage.
Set Auto Sync to O N.
Set Auto Sync threshold
rate.
Is pattern
Program m able
Pattern?
Set G ating C ycle.
Set G ating Current
to O n.
Track bit rate and
pattern at PPG ?
No
Yes
Set Tracking
to On.
Set Tracking
to Off.
Figure 6.2-1 Basic Procedure of Bit Error Rate Measurement