Performance Tests
Performance Verification
4Ć44
First, the upper and lower
limits are set so the test
waveform triggers within limits.
Second, a limit (here, the lower
limit) is increased until triggering
stops.
Figure 4Ć15:ăMeasurement of Time Accuracy for Pulse and Glitch Triggering
Confirm the trigger system is within timeĆaccuracy limits for pulseĆglitch or
pulseĆwidth triggering (horizontal scale >1 ms:
Set upper and lower limits that ensure triggering at 250 kHz:
H $%% & %, !' '&&"! Upper Limit % & *"$ &"
%& & '##$ & &" m%
H $%% & %, !' '&&"! Lower Limit % & *# &" %&
& ")$ & &" !%
Display the test signal:
H & & "$+"!& SCALE &" m%
H & & "'&#'& " & %!,)( !$&"$ "$ + (,(,
%"! %! )( "! %$! & & ($& SCALE &" &
)("$ ) "($$( & %#*
H $%% SET LEVEL TO 50%
Check against limits: " & "")! %'#$&% ! & "$$ %&
H % & !$ #'$#"% !" &" increase Lower Limit $"'&
'!& &$$! % "%&
H && & Lower Limit $"'& % )&! m%&"m%
!'%(
H % & *# &" $&'$! & Lower Limit &" !% ! $%&,
% &$$!
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