274 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide
16 :FRANalysis Commands
Introduction to
:FRANalysis
Commands
The FRANalysis subsystem controls the Frequency Response Analysis feature in
the oscilloscope.
The Frequency Response Analysis (FRA) feature controls the built-in waveform
generator to sweep a sine wave across a range of frequencies while measuring the
input to and output from a device under test (DUT). At each frequency, gain (A)
and phase are measured and plotted on a frequency response chart.
Reporting the Setup
Use :FRANalysis? to query setup information for the FRANalysis subsystem.
Return Format
The following is a sample response from the :FRANalysis? query. In this case, the
query was issued following a *RST command.
:FRAN:SOUR:INP CHAN1;OUTP CHAN2;:FRAN:FREQ:STAR +100E+00;
STOP +20.000000E+06;:FRAN:WGEN:VOLT +200.0E-03;LOAD FIFT
:FRANalysis:SOURce:IN
Put <source> (see
page 282)
:FRANalysis:SOURce:IN
Put? (see page 282)
<source> ::= CHANnel<n>
<n> ::= 1 to (# analog channels)
in NR1 format
:FRANalysis:SOURce:OU
TPut <source> (see
page 283)
:FRANalysis:SOURce:OU
TPut? (see page 283)
<source> ::= CHANnel<n>
<n> ::= 1 to (# analog channels)
in NR1 format
:FRANalysis:SWEep:POI
Nts <pts> (see
page 284)
:FRANalysis:SWEep:POI
Nts? (see page 284)
<pts> ::= number of points from 1
to 1000 in NR1 format
:FRANalysis:TRACe
<selection> (see
page 285)
:FRANalysis:TRACe?
(see page 285)
<selection> ::= {NONE | ALL |
GAIN | PHASe}[,{GAIN | PHASe}]
:FRANalysis:WGEN:LOAD
<impedance> (see
page 286)
:FRANalysis:WGEN:LOAD
? (see page 286)
<impedance> ::= {ONEMeg | FIFTy}
:FRANalysis:WGEN:VOLT
age <amplitude> (see
page 287)
:FRANalysis:WGEN:VOLT
age? (see page 287)
<amplitude> ::= amplitude in
volts in NR3 format
Table 61 :FRANalysis Commands Summary (continued)
Command Query Options and Query Returns
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