Instructions

5
CALCulate Commands
:CALCulate:BWIDth|BANDwidth:NDB
Description
Sets 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.
Syntax
Query Syntax
:CALCulate:BWIDth|BANDwidth:NDB <rel_ampl>
:CALCulate:BWIDth|BANDwidth:NDB?
Parameter
<rel_ampl>
<NR2> 1 dB to 60 dB
Return parameter
<NR3>
Example
:CALC:BAND:NDB 5
:CALCulate:BWIDth|BANDwidth:RESult?
Description
Returns the NdB bandwidth measurement.
Query Syntax
:CALCulate:BWIDth|BANDwidth:RESult?
Return parameter
<NR1>
NdB bandwidth in Hz.
Example
:CALC:BAND:RES?
returns
26000
:CALCulate:BWIDth|BANDwidth[:STATe]
Description
Sets or queries the state of the NdB bandwidth measurement function. The
function measures the bandwidth, at the number of dB down specified
in :CALCulate:BWIDth|BANDwidth:NDB , of the maximum signal on the display.
Syntax
Query Syntax
:CALCulate:BWIDth|BANDwidth[:STATe] {OFF|ON|0|1}
:CALCulate:BWIDth|BANDwidth[:STATe]?
Parameter
0
1
OFF
ON
Turns NdB BW off.
Turns NdB BW on.
Turns NdB BW off.
Turns NdB BW on.
Return parameter
0
1
NdB BW is off.
NdB BW is on.
Example
:CALC:BAND ON