11
Modifying the Test Setup
Inserting Errors
You can add a single bit error to the data stream by pressing
the
Error Add
button.
To provide comparable results, you can run tests over a longer time
and collect the measured data:
Setting up Error Accumulation
Accumulation Results
View the accumulated results:
You could also loosen the data
cable and wiggle it carefully.
Watch how the BER changes.
The pattern generator can also be set up
to insert a specified BER in the data
stream. This can, for example, be used
for testing error correction algorithms.
Select
No Logging
,
because we do not
need a measurement
log file now.
Select a
Time
of
10 seconds as the
measurement period.
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5
Press the
Start
Accum
button to
start accumulating.
Press the
Results
button
to switch to the
Results
tab.
Switch to the
Accumulated Results.
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Here you can view all statistics
measured during the current and
the previous measurement.
To stop the Serial BERT from
collecting any more data,
press the
Stop Accum
button.
Select the activation
mode
Repeat
to run
repeated tests.
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Press
OK
.
Open the
Accumulation
Setup
dialog box.
Press the
ED Setup
button to switch to the
error detector setup.
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