CALCulate[1|2|3|4]:DATA? query
Returns trace data that has been transformed to the currently selected coordinate transform (specified with
the CALC:FORMat command).
Query Syntax: CALCulate[1|2|3|4]:DATA?
Example Statements: OUTPUT 711;"Calculate:Data?"
OUTPUT 711;"CALC4:DATA?"
Return Format: <DEF_BLOCK>
If FORMat [:DATA] REAL:
<DEF_BLOCK> ::= #<byte><length_bytes> <1st_Y-axis_value>...
<last_Y-axis_value>
<byte> ::= number of length bytes to follow (ASCII encoded)
<length_bytes> ::= number of data bytes to follow (ASCII encoded)
If FORMat[:DATA] ASCii:
<DEF_BLOCK> ::= <1st_Y-axis_value> . . .<last_Y-axis_value>
Attribute Summary: Option: not applicable
Synchronization Required: no
Preset State: not applicable
SCPI Compliance: confirmed
Description:
This query returns a definite length block of coordinate-transformed trace data.
The trace specifier CALCulate [1|2|3|4] determines which trace you are selecting. Omit the specifier or
send 1 for trace A, 2 for trace B, 3 for trace C, or 4 for trace D.
The block is returned as a series of amplitude (Y-axis) values. The unit for these values is the same as the
reference level unit. To determine the unit, send DISP:TRAC:Y:BOTT? UNIT.
For orbit diagrams (CALC:FEED ‘XVOL:VOLT [1,2|1,3|1,4|3,4]’) the block is a series of real-value
pairs (<1st_X-axis_value>, <1st_Y-axis_1_value>,...<last_X-axis_value>, <last_Y-axis_value>).
For Nyquist diagrams (CALC:FORM NYQ) the block is a series of real and imaginary pairs
(<1st_real_value>, <1st_imaginary_value>,...<last_real_value>, <last_imaginary_value>).
For polar diagrams (CALC:FORM POL) the block is a series of magnitude and phase pairs
(<1st_magnitude_value>, <1st_phase_value>,...<last_magnitude_value>, <last_phase_value>).
In octave analysis instrument mode (INST:SEL OCT;Option 1D1) the second to the last value in the data
block is the weighted overall band. The last value in the data block is the overall band. These values are
included in the data block, even if they are not displayed.
CALCulate
6-20
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