Measure:vratio - Agilent Technologies InfiniiVision 4000 X-Series Programmer's Manual

Oscilloscopes
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:MEASure:VRATio

Command Syntax
:MEASure:VRATio [<interval>][,<source1>][,<source2>]
<interval> ::= {CYCLe | DISPlay}
<source1,2> ::= {CHANnel<n> | FUNCtion<m> | MATH<m> | WMEMory<r>}
<n> ::= 1 to (# analog channels) in NR1 format
<m> ::= 1-4 in NR1 format
<r> ::= 1 to (# ref waveforms) in NR1 format
The :MEASure:VRATio command installs a ratio measurement on screen.
Ratio measurements show the ratio of the ACRMS value of source1 to that
of source2, expressed in dB.
The <interval> option lets you specify the measurement interval: either an
integral number of cycles, or the full screen. If <interval> is not specified,
DISPlay is implied.
This command is not available if the source is FFT (Fast Fourier Transform).
N O T E
Query Syntax
:MEASure:VRATio? [<interval>][<source1>][,<source2>]
The :MEASure:VRATio? query measures and returns the ratio of AC RMS
values of the specified sources expressed as dB.
Return Format
<value><NL>
<value> ::= the ratio value in dB in NR3 format
See Also
Agilent InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
(see
page
1208)
"Introduction to :MEASure Commands"
":MEASure:VRMS"
on page 478
":MEASure:SOURce"
on page 420
on page 458
21
:MEASure Commands
477

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