:MEASure:EYE:PAM:SKEW

Command Syntax

:MEASure:EYE:PAM:SKEW

Query Syntax

:MEASure:EYE:PAM:SKEW?

Description

Starts the PAM Level Skews measurement, which measures the skew (seconds or UI) of a selected level of a PAM eye diagram relative to the average center time of all levels. On NRZ signals, this measurement will measure the level one and zero skew relative to each other. Before sending this command, select the actual level to be measured using the :MEASure:EYE:PAM:SKEW:LEVel child command. To measure all the levels on a signal, you must send this command once for each level as there is no command for simultaneously measuring all level skews. This measurement is affected by the settings in the PAM-N Analysis Setup dialog box. The query form of the command returns the measured value.

Use the :MEASure:EYE:PAM:SKEW:SOURce command to specify the real-time eye diagram on which to make the measurement.

Related Commands

Command	Equivalent Setting in PAM-N Analysis Setup Dialog Box	Description
:MEASure:PAM:EYE:ESTiming	Receiver Sample Timing	Configures the timing for sampling the signal data for all PAM measurements.
:MEASure:PAM:EYE:ELMethod	Eye Center Location	Selects the basis for determining the location of an eye's center on the waveform.
:MEASure:PAM:EYE:PPERcent	Eye Level Width	Defines the timespan over which an eye's amplitude level is measured.
:MEASure:PAM:EYE:TIME:LTDefinition	Time of Level	Specifies the method used to locate the time at which to measure an eye's level.
:MEASure:PAM:EYE:TIME:UNITs	Time Units	Sets the time units for measurement.

Example Command Sequence

:CHANnel1:SIGNal:TYPE PAM4  //  Specify signal type, if needed.
:SYSTem:AUToscale
:MEASure:EYE:PAM:SKEW:SOURce ECHannel1
:MEASure:EYE:PAM:SKEW:LEVel LEVel2  //  Select logic level to be measured.
:MEASure:EYE:PAM:SKEW  //  Measure and return value.
:MEASure:EYE:PAM:SKEW?