3 Short-Range Comms & IoT Mode
3.12 Monitor Spectrum 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
T13 2 MHz 13.8 GHz 13.8 GHz
T26 2 MHz 26.55 GHz 26.55 GHz
VXT Models with Radio Heads/CIU Frequency Range
The following table shows the Center Frequency Presets and Range for VXT modes
with Radio Heads/CIU.
Products with Radio Heads/CIU Preset Start frequency Stop frequency
M9421A + CIU 6 GHz 5.9 GHz 12 GHz
M9410A + CIU 6 GHz 5.9 GHz 12 GHz
M9410A + CIU + RRH 25 GHz 24.25 GHz 43.5 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 "Center Frequency" on page
1687 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 "Center Frequency Presets" on page 1690 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 the value of Span
1692 Short Range Comms & IoT Mode User's &Programmer's Reference
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