3 Spectrum Analyzer Mode
3.13 Phase and Amplitude vs Time Measurement
Tracking
Generator
Option
Min Freq
(clips to this freq when turn
TG on and can’t tune below
while TG on)
If above this Freq, Stop Freq
clipped to this Freq when TG
turned on
Max Freq
(can't tune
above)
while TG on
T03 9 kHz 3.0 GHz 3.08 GHz
T06 9 kHz 6.0GHz 6.05 GHz
Tracking Generator Frequency Limits(CXA-m only)
Tracking
Generator
Option
Min Freq
(clips to this freq when turn
TG on and can’t tune below
while TG on)
If above this Freq, Stop Freq
clipped to this Freq when TG
turned on
Max Freq
(can't tune
above)
while TG on
T03 2 MHz 3.08 GHz 3.08 GHz
T07 2 MHz 7.575 GHz 7.575 GHz
T13 2 MHz 13.8 GHz 13.8 GHz
T26 2 MHz 26.55 GHz 26.55 GHz
RF Center Freq
Specifies the RF Center Frequency. This command sets the Center Frequency to be
used when the RF input is selected, even if the RF input is not the input that is
selected at the time the command is sent. Note that the Center Freq function in the
Frequency menu on the front panel always applies to the currently selected input.
Remote Command
[:SENSe]:FREQuency:RF:CENTer <freq>
[:SENSe]:FREQuency:RF:CENTer?
Example
:FREQ:RF:CENT 30 MHz
:FREQ:RF:CENT?
Notes This command is the same in all modes, but the parameter is Measurement Global. So the value is
independent in each mode and common across all the measurements in the mode
Dependencies If the electronic/soft attenuator is enabled, any attempt to set Center Frequency such that the Stop
Frequency would be >3.6 GHz fails and results in an advisory message. If the equivalent SCPI
command is sent, this same message is generated as part of a “-221, Settings conflict” warning
Preset See table above
State Saved Saved in instrument state
Min -79.999995 MHz
Max See table above. Basically, instrument maximum frequency - 5 Hz
If the knob or step keys are being used, also depends on Span
Spectrum Analyzer Mode User's &Programmer's Reference 2009
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