iTuner Manual
38
Remarks:
The SPAR? Command returns the s-parameter at the current probe position in
the mag/phase format, taking into account the ADAPTER and the tuner itself; the
S-parameters are returned in the raw S11,S12,S21,S22
Examples:
SPAR?
4.4.25
SPAR_AT? Command
Call SPAR_AT? to query s-parameter for a given probe position
Syntax:
SPAR_AT? Xpos Ypos [idx]
Parameter:
Xpos
Ypos
Idx
Horizontal position
Vertical position
Optional frequency index
Return value:
0 -> okay
<0 , no calibration loaded
Remarks:
The SPAR_AT? Command returns the s-parameter for the given probe position,
taking into account the ADAPTER and the tuner.
Examples:
SPAR_AT? 500 4500
4.4.26
Dump Command
Call DUMP to display s-parameter data for all sections of the current configuration for current
probe position
Syntax:
DUMP
Parameter:
None
Return value:
0 -> okay
<0 , no calibration loaded
Remarks:
The DUMP command displays detailed s-parameter for each section of the setup.
Depending on your tuner type, this includes:
Adapter
Harmonic section 1 (PHT and combo tuners only)
Harmonic section 2 (PHT only)