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600 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide

24 :MEASure Commands

:MEASure:OVERshoot

(see page 1610)

Command Syntax

:MEASure:OVERshoot [<source>]

<source> ::= {CHANnel<n> | FUNCtion<m> | MATH<m> | WMEMory<r>}

<n> ::= 1 to (# analog channels) in NR1 format

<m> ::= 1 to (# math functions) in NR1 format

<r> ::= 1 to (# ref waveforms) in NR1 format

The :MEASure:OVERshoot command installs a screen measurement and starts an

overshoot measurement. If the optional source parameter is specified, the current

source is modified.

Query Syntax

:MEASure:OVERshoot? [<source>]

The :MEASure:OVERshoot? query measures and returns the overshoot of the edge

closest to the trigger reference, displayed on the screen. The method used to

determine overshoot is to make three different vertical value measurements: Vtop,

Vbase, and either Vmax or Vmin, depending on whether the edge is rising or

falling.

For a rising edge:

overshoot = ((Vmax-Vtop) / (Vtop-Vbase)) x 100

For a falling edge:

overshoot = ((Vbase-Vmin) / (Vtop-Vbase)) x 100

Vtop and Vbase are taken from the normal histogram of all waveform vertical

values. The extremum of Vmax or Vmin is taken from the waveform interval right

after the chosen edge, halfway to the next edge. This more restricted definition is

used instead of the normal one, because it is conceivable that a signal may have

more preshoot than overshoot, and the normal extremum would then be

dominated by the preshoot of the following edge.

Return Format

<overshoot>::= the percent of the overshoot of the selected waveform in

NR3 format

See Also • "Introduction to :MEASure Commands" on page 568

• ":MEASure:PREShoot" on page 606

• ":MEASure:SOURce" on page 615

NOTE

This command is not available if the source is FFT (Fast Fourier Transform).

Keysight Technologies InfiniiVision 4000 X Series User Manual

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