Focus Microwaves ituner - 4.4.19 Gamma? Command

iTuner Manual
35
Parameter:
nbr
Number of calibration point
Return value:
<0 -> invalid calibration point
Remarks:
Use this command to tune to any of the calibrated probe positions. Use the DIR
command to find the number of points contained in the current calibration data
set.
This command is useful when performing a load/source pull over the entire
tuning range of the tuner.
Examples:
CALPOINT 57
4.4.18 CALPOINT? command
Call CalPoint? to query the probe position for the given calibration point. The probe is not
moved.
Syntax:
CALPOINT? nbr
Parameter:
nbr
Number of calibration point
Return value:
<0 -> invalid calibration point
Remarks:
Use this command to tune to any of the calibrated probe positions. Use the DIR
command to find the number of points contained in the current calibration data
set.
This command is useful when performing a load/source pull over the entire
tuning range of the tuner.
Examples:
CALPOINT 57
4.4.19 Gamma? Command
Call GAMMA? to query reflection coefficient currently seen by DUT
Syntax:
GAMMA? [idx]
Parameter:
Idx (optional)
Frequency index, 0-> all
Return value:
0 -> okay
<0 , no calibration loaded
Remarks:
The GAMMA? Command returns the reflection coefficient currently seen by the
device, taking into account the ADAPTER and TERM definitions.