Tektronix DPO4000 Manuel d'utilisateur télécharger pdf (Page 441)

100

101

Commands Listed in Alphabetical Order

3,and4aremeto

n four-channel oscilloscopes. On two-channel oscilloscopes,

only channel 1 and channel 2 are available.

When the TRIGger:A:LOGIc:INPut:CLOCk:SOUrce is set to one of the channels,

LOGIC sets the oscilloscope to trigger when the speciﬁed logical combinations of

the remaining channels is true during a transition on the clock channel.

SETHold sets the oscilloscope to trigger on setup and hold violations between a

data source and a clock source. Use one channel input as the clock signal and a

second channel input as the data input. The c locking and data levels are used to

determine if a clock or data transition has occurred.

Examples

TRIGGER:A:LOGIC:CLASS? might return :TRIGGER:A:LOGIC:CLASS LOGIC

TRIGGER:A:LOGIC:CLASS LOGIC

sets the trigger A logic class to LOGIc, which

causes the oscilloscope to trigger when the speciﬁed logical combinations of

channels 1, 2, 3, and 4 are met.

TRIGger:A:LOGIc:FUNCtion

Sets or returns the logical combination of the input channels for the A pattern and

A state logic triggers.

Group

Trigger

Syntax

TRIGger:A:LOGIc:FUNCtion {AND|NANd|NOR |OR}

TRIGger:A:LOGIc:FUNCtion?

Related Commands

TRIGger:A:LOGIc:INPut:CH<x>

Arguments

AND speciﬁes to trigger if all conditions are true.

speciﬁes to trigger if any of the conditions is false.

NOR speciﬁes to trigger if all conditions are false.

OR speciﬁes to trigger if any of the conditions is true.

Examples

TRIGGER:A:LOGIC:FUNCTION? might return :TRIGG ER:A:LOGIC:FUNCTION

NAND

which indicates that the oscilloscope will trigger if the AND logic conditions

are false.

TRIGGER:A:LOGIC:FUNCTION AND sets the logical combination of channels to

be true when all conditions are true.

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Tektronix DPO4000 Manuel d'utilisateur Page 441

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