SDS1000X-E User Manual
197
to 4 profiles can be saved.
7. In this example, I will demonstrate how to specify a Vari-level profile widely used in
testing power supply loop response. The profile is a 4-joint- polyline with large
stimulus amplitude in low frequency and small amplitude in high frequency, and
gradual amplitude in intermediate frequency.
8. Press Joints and use the Universal Knob to set the number of joint to 4.
9. Press Edit Table to activate the spreadsheet editor. When the spreadsheet editor is
activated, press Edit Table will cycle the cursor between frequency, amplitude and
the entire column. Then use the Universal Knob to adjust the frequency, the
amplitude, or to select the column to be edited. Press the Universal Knob will
activate the visual keypad for more precise input.
10. The Set Sweep and Set Stimulus in Vari-level editor are similar to that in the Simple
sweep mode, but they are independently configured and do not affect each other.
These options in Vari-level mode do not have frequency and amplitude input because
they are specified in the spreadsheet. Press Set Sweep and then set Mode to
“Decade”, and set Points/dec to 20. The Set Stimulus remains default setting.
11. Return to Configure menu and press Set Channel. Set DUT Input to “CH1” and DUT
Output 1 to “CH2”, and Channel Gain to “Auto”.
12. Configuration was done. Return to the root menu and press Run and wait for the
sweep to complete.
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