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100

101

Obsolete and Discontinued Commands 32

Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide 799

:MEASure:TVOLt

(see page 860)

Query Syntax

:MEASure:TVOLt? <value>, [<slope>]<occurrence>[,<source>]

<value> ::= the voltage level that the waveform must cross.

<slope> ::= direction of the waveform. A rising slope is indicated by

a plus sign (+). A falling edge is indicated by a minus

sign (-).

<occurrence> ::= the transition to be reported. If the occurrence

number is one, the first crossing is reported. If

the number is two, the second crossing is reported,

etc.

<source> ::= {<digital channels> | CHANnel<n> | FUNCtion | MATH}

<digital channels> ::= {DIGital<d>} for the MSO models

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

<d> ::= 0 to (# digital channels - 1) in NR1 format

When the :MEASure:TVOLt? query is sent, the displayed signal is searched

for the specified voltage level and transition. The time interval between the

trigger event and this defined occurrence is returned as the response to

the query.

The specified voltage can be negative or positive. To specify a negative

voltage, use a minus sign (- ). The sign of the slope selects a rising (+) or

falling (- ) edge. If no sign is specified for the slope, it is assumed to be

the rising edge.

The magnitude of the occurrence defines the occurrence to be reported.

For example, +3 returns the time for the third time the waveform crosses

the specified voltage level in the positive direction. Once this voltage

crossing is found, the oscilloscope reports the time at that crossing in

seconds, with the trigger point (time zero) as the reference.

If the specified crossing cannot be found, the oscilloscope reports

+9.9E+37. This value is returned if the waveform does not cross the

specified voltage, or if the waveform does not cross the specified voltage

for the specified number of times in the direction specified.

If the optional source parameter is specified, the current source is

modified.

Return Format

NOTE

The :MEASure:TVOLt command is obsolete and is provided for backward compatibility to

previous oscilloscopes. Use the :MEASure:TVALue command (see page 369).

1 2 ... 794 795 796 797 798 799 800 801 802 803 804 ... 969 970

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Agilent Technologies InfiniiVision 3000 DSO-X 3054A Manuale di Servizio Pagina 799

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