Agilent Technologies Signal Analyzer N9030a - Manual (Page 577)

6 RLC Swept SA Measurement Front-Panel & SCPI Reference
FREQ Channel
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.
If Source Mode is set to Tracking, and the Max or Min Center Freq is therefore limited by the
limits of the source, a warning message is generated, “Data out of range;clipped to source
max/min” if these limits are exceeded. Note that for an external source, these limits can be
affected by the settings of Source Numerator, Source Denominator and Power Sweep.
Preset See table above
State Saved Saved in instrument state.
Min –79.999995 MHz, unless Source Mode is set to Tracking, in which case it is limited by the
minimum frequency of the Source
Max See table above. Basically instrument maximum frequency – 5 Hz. Note that, if the Source Mode
is set to Tracking, the effective instrument maximum frequency may be limited by the source
maximum frequency.
If the knob or step keys are being used, also depends on the value of the other three
interdependent parameters Span, Start Frequency and Stop Frequency
Initial S/W Revision Prior to A.02.00
Modified at S/W
Revision A.03.00
Ext Mix Center Freq
SCPI command for specifying the External Mixer Center Frequency. This command will set the
Center Frequency to be used when the External Mixer is selected, even if the External Mixer input
is not the input which 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.
Scope Meas Global
Remote Command [:SENSe]:FREQuency:EMIXer:CENTer
[:SENSe]:FREQuency:EMIXer:CENTer?
Example :FREQ:EMIX:CENT 60 GHz
:FREQ:EMIX: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.
Couplings When returning to External Mixing after having been switched to one of the other inputs (e.g.,
RF), you will come back into the settings that you had when you left External Mixing. So you will
Remote Language Compatibility Measurement Application Reference 577