Commands by Subsystem
5
Agilent InfiniiVision 7000A Series Oscilloscopes Programmer's Guide
343
Return Format
<value><NL>
<value> ::= time in seconds of the specified transition in NR3 format
:MEASure:TEDGe
Code
' Make a delay measurement between channel 1 and 2.
Dim dblChan1Edge1 As Double
Dim dblChan2Edge1 As Double
Dim dblChan1Edge2 As Double
Dim dblDelay As Double
Dim dblPeriod As Double
Dim dblPhase As Double
' Query time at 1st rising edge on ch1.
myScope.WriteString ":MEASURE:TEDGE? +1, CHAN1"
' Read time at edge 1 on ch 1.
dblChan1Edge1 = myScope.ReadNumber
' Query time at 1st rising edge on ch2.
myScope.WriteString ":MEASURE:TEDGE? +1, CHAN2"
' Read time at edge 1 on ch 2.
dblChan2Edge1 = myScope.ReadNumber
' Calculate delay time between ch1 and ch2.
dblDelay = dblChan2Edge1 - dblChan1Edge1
' Write calculated delay time to screen.
MsgBox "Delay = " + CStr(dblDelay)
' Make a phase difference measurement between channel 1 and 2.
' Query time at 1st rising edge on ch1.
myScope.WriteString ":MEASURE:TEDGE? +2, CHAN1"
' Read time at edge 2 on ch 1.
dblChan1Edge2 = myScope.ReadNumber
' Calculate period of ch 1.
dblPeriod = dblChan1Edge2 - dblChan1Edge1
' Calculate phase difference between ch1 and ch2.
dblPhase = (dblDelay / dblPeriod) * 360
MsgBox "Phase = " + CStr(dblPhase)
Example program from the start:
"VISA COM Example in Visual Basic"
See Also
•
"Introduction to :MEASure Commands"
•
•
N O T E
This query is not available if the source is FFT (Fast Fourier Transform).
Summary of Contents for InfiniiVision 7000A Series
Page 1: ...Agilent InfiniiVision 7000A Series Oscilloscopes Programmer s Guide...
Page 34: ...34 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer s Guide 1 What s New...
Page 44: ...44 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer s Guide 2 Setting Up...
Page 58: ...58 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer s Guide 3 Getting Started...
Page 750: ...750 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer s Guide 8 Error Messages...
Page 922: ...922 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer s Guide Index...