HP ESA-E Series - Calculate Subsystem; Ndbpoints; Ndbresults

5-10 Chapter5
Language Reference
CALCulate Subsystem
CALCulate Subsystem
This subsystem is used to perform post-acquisition data processing. In
effect, the collection of new data triggers the CALCulate subsystem. In
this instrument, the primary functions in this subsystem are markers
and limits.
NdBpoints
:CALCulate:BWIDth|BANDwidth:NDB <rel_ampl>
:CALCulate:BWIDth|BANDwidth:NDB?
Selects the power level, below the peak of the signal, at which the
signal bandwidth will be measured by the markers.
:CALCulate:BWIDth|BANDwidth[:STATe] must be ON.
NOTE To query the result of NdBpoints, use the command
:CALCulate:BWIDth|BANDwidth:RESult?
Factory Preset
and *RST: –3 dB
Range: –80 dB to –1 dB
Default Unit: dB
Remarks: Refer to :CALCulate:BWIDth|BANDwidth[:STATe] for
an explanation of this marker function.
Front Panel
Access:
Search, N dB Points
NdBresults
:CALCulate:BWIDth|BANDwidth:RESult?
Returns the measured bandwidth at the power level defined by
:CALCulate:BWIDth:NDB. –100 is returned if
:CALCulate:BWIDth|BANDwidth[:STATe] is off, or when a result is
not available.
Range: Real value less than the current frequency span
Default Unit: Hz
Remarks: RefertoCALCulate:BWIDth|BANDwidth[:STATe]foran
explanation of this marker function.
Front Panel
Access: Search, N dB Points