Measurement Thresholds
Measurement thresholds define the vertical levels where measurements are taken.
Changing default thresholds may change measurement results
The default lower, middle, and upper threshold values are 10%, 50%, and 90% of
the range between Top (0%) and Base (100%). Changing these threshold
definitions from the default values may change the returned measurement results
for Average, Delay, Duty Cycle, Fall Time, Frequency, Overshoot, Period, Phase,
Preshoot, Rise Time, +Width, and -Width.
1. Press [Measure]>Settings > Thresholds>Source to select the signal, math waveform, or
reference waveform for which you want to change measurement thresholds. Each waveform
has its own thresholds.
2. Press the Lower softkey, then turn the [Entry] knob to set the lower measurement threshold
value. Increasing the lower value beyond the set middle value will automatically increase the
middle value to be more than the lower value.
3. Press the Middle softkey; then, turn the [Entry] knob to set the middle measurement
threshold value, which is bounded by the lower and upper thresholds.
4. Press the Upper softkey; then, turn the [Entry] knob to set the upper measurement
threshold value.
Decreasing the upper value below the set middle value will automatically decrease the
middle value to be less than the upper value.
Keysight IntegraVision PA2200 Series Power Analyzers Operating and Service Guide103
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