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Chapter 9: Measurements
Using the Measurement Tool
Parameter
Description
User Specified
Uses the min/max Y values you specify in the Min and Max text
fields.
Undershoot
Calculates the undershoot of a waveform relative to a default or specified
baseline level. The undershoot is calculated as the difference between the
minimum point on the waveform and the specified (or calculated) Baseline
value.
The following parameters can be set for the Undershoot measurement:
96
Parameter
Description
Percentage
Locks the rise/fall margin threshold at the specified high
( H(%) ) and low ( L(%) ) percentages. In signal Y units.
Signal Level
Locks the rise/fall margin threshold at the specified high
( H(V) ) and low ( L(V) ) signal levels. In signal Y units.
Target Signal
Uses the min/max Y levels from the signal you are currently
measuring. This option is only available when specifying a rise/
fall margin that is locked at a specified percentage range.
All Signals
Uses the min/max Y levels from all signals that are currently
open. This option is only available when specifying a rise/fall
margin that is locked at a specified percentage range.
User Specified
Uses the min/max Y values you specify in the Min and Max text
fields.
Absolute
Specifies the result as "maximum value-high level value."
Percentage
Specifies the result as a percentage of "absolute value/(high
level-low level)."
Custom WaveView User Guide
F-2011.09-SP1