Intro to Examples

Limit Line Testing with COM


This Visual Basic program:

If using Global Pass/Fail to report limit results, trigger the VNA after configuring and enabling Limit lines.

Public limts As LimitTest
Set limts = meas.LimitTest
'All Off

For i = 1 To 20
 limts(i).Type = naLimitSegmentType_OFF
Next i

'Set up Limit Lines

limts(1).Type = naLimitSegmentType_Maximum
limts(1).BeginResponse = 10
limts(1).EndResponse = 10
limts(1).BeginStimulus = 4000000000#
limts(1).EndStimulus = 8000000000#
limts(2).Type = naLimitSegmentType_Minimum
limts(2).BeginResponse = -30
limts(2).EndResponse = -30
limts(2).BeginStimulus = 4000000000#
limts(2).EndStimulus = 8000000000#

'Turn on Lines, Testing, and Sound

limts.LineDisplay = 1
limts.State = 1
limts.SoundOnFail = 1