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Pulse Current Measurements 3-25
Figure 3-5
4 Up
3 Down
0 Up
4 Down
5 Up
0 Down
Sample pulse forms for step method
Figure 3-6
0 Up
5 Down
5 Up
0 Down
Sample one-shot only pulses for step method
Trigger level settings
The trigger level may be set to a unique value for each active step. Use the TLEVx command
to set appropriate trigger levels for each active step in the waveform. Make sure that the maxi-
mum setting for the selected trigger level range is not exceeded. (
has 5 rising edge steps and 4 falling edge steps. Set the trigger levels for each step
measurement according to the expected pulses. Based on the wave form, the nine trigger levels
could be set as follows:
Rising: Falling:
TLEV1
100mA
TLEV6
900mA
TLEV2
300mA
TLEV7
600mA
TLEV3
500mA
TLEV8
400mA
TLEV4
700mA
TLEV9
300mA
TLEV5
900mA
For a programming example of this sample, see
“Sample step method” on page 3-32
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