3 Spectrum Analyzer Mode
3.2 Swept SA Measurement
CXA-m TG Uncalibrated Amplitude Range
When using the CXA-m Tracking Generator, if the Source Frequency is in any of the
frequency ranges in the table below, and the Source Amplitude is in the
corresponding amplitude range of the below table, a warning status message is
generated, +313 “Source Uncal”. This is also true if Power Sweep is ON and any
amplitude in the Power Sweep (as calculated by Amplitude, Power Sweep, and
Amptd Offset) is in that range.
Frequency Range Amplitude Range
2 MHz ≤ frequency < 10 GHz -40 dBm ≤ amplitude < -35 dBm
10 GHz ≤ frequency < 20 GHz -40 dBm ≤ amplitude < -35 dBm
or -5 dBm < amplitude ≤ 0 dBm
20 GHz ≤ frequency ≤ 26.55 GHz -12 dBm < amplitude ≤ 0 dBm
RF Output
Turns source RF Power on or off.
NOTE
As stated below, when the RF Output is ON, "Source Mode" on page 457 is set to
Tracking. See the Source Mode control description for special considerations
concerning how to configure an N5172B or N5182B source for use with External
Source Control.
Remote Command
:OUTPut[:EXTernal] [:STATe] ON | OFF | 1 | 0
:OUTPut[:EXTernal] [:STATe]?
Example
:OUTP ON
:OUTP?
Dependencies Grayed-out in measurements that do not support a source. If you switch to such a measurement, the
output is forced to OFF
Grayed-out if there is no valid source selection. In this case, go to the Select Source menu to choose,
configure and/or verify your source
When there is no available Source Mode (other than OFF), due to other couplings, then RF Ouput is
grayed-out
Couplings When RF Output is turned ON, Source Mode is set to Tracking
When Source Mode is turned OFF, RF Output is turned OFF
When Source Mode is turned OFF (or forced to OFF by another coupling), RF Output is turned OFF
Turning RF OutputOFF does not affect Source Mode or other settings
Preset
OFF
On either Mode Preset, Source Preset, or Restore Input/Output Defaults
Spectrum Analyzer Mode User's &Programmer's Reference 455
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