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Boonton55xxx IVI Driver Reference


 

BTN55XXX_ATTR_HOLDOFF Attribute


Trigger See Also



Set or return the trigger holdoff time in seconds. Trigger holdoff is used to disable the trigger for a specified amount of time after each trigger event. The holdoff time starts immediately after each valid trigger edge, and will not permit any new triggers until the time has expired. When the holdoff time is up, the trigger re-arms, and the next valid trigger event (edge) will cause a new sweep. This feature is used to help synchronize the power meter with burst waveforms such as a TDMA or GSM frame. The trigger holdoff resolution is 10 nanoseconds, and it should be set to a time that is just slightly shorter than the frame repetition interval.

Attribute Tree Node: \Boonton55xxx\Instrument Specific\Trigger\Holdoff

Declaration: Btn55xxx.h

Implementation: Btn55xxx.dll

Visual C++

#define BTN55XXX_ATTR_HOLDOFF 1150004
ViStatus Btn55xxx_GetAttributeViReal64(
 ViSession Vi,
 ViConstString RepCapIdentifier,
 ViAttr AttributeID,
 ViReal64AttributeValue
);
ViStatus Btn55xxx_SetAttributeViReal64(
 ViSession Vi,
 ViConstString RepCapIdentifier,
 ViAttr AttributeID,
 ViReal64 AttributeValue
);

Parameters

Vi

The ViSession handle that you obtain from the IviDriver_init or IviDriver_InitWithOptions function. The handle identifies a particular instrument session.

RepCapIdentifier

Must be VI_NULL or an empty string. This attribute is not defined on a repeated capability.

AttributeID

Must be BTN55XXX_ATTR_HOLDOFF.

AttributeValue (GetAttribute)

Returns the current value of the attribute. The user must specify the address of a variable that has the same data type as the attribute.

AttributeValue (SetAttribute)

The value to which to set the attribute.

collapse_allRemarks

0.0 to 1.0 seconds in 10 ns increments, 0.0 = no holdoff

collapse_allInstrument Command

TRIGger:HOLDoff {value}

TRIGger:HOLDoff?

collapse_allRange

0 ≤ value ≤ 1

collapse_allRequirements

Supported Models

All supported

collapse_allSee Also

Reference

Trigger

Btn55xxx

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