6 Input/Output
6.2 Input
Skew
Sets the skew factor for the Q channel. The skew will shift the channel's data in time.
Use this to compensate for differences in the electrical lengths of the input paths
due to cabling and probes.
Remote
Command
[:SENSe]:CORRection:IQ:Q:SKEW <seconds>
[:SENSe]:CORRection:IQ:Q:SKEW?
Example Delay the data for the Q channel by 10 ns
:CORR:IQ:Q:SKEW 10 ns
Preset 0
State Saved Yes
Unaffected by a Preset, but set to the default value by Restore Input/Output Defaults or Restore System
Defaults->All
Min/Max 0 s/ 100 ns
6.2.21.5 Q Probe
Accesses the probe setup parameters for the Q channel. See "Combined
Differential/Input Z (Remote Command Only)" on page 2076.
Dependencies Only appears when I/Q is the selected input
Attenuation
The attenuation is part of the calibration data stored with the probe type and is
initially the value that was returned by the last calibration. You can modify this value
and any changes will be stored with the calibration data and will survive power
cycles and presets. When a probe calibration is performed the attenuation value will
be overwritten by the calibration.
Remote
Command
[:SENSe]:CORRection:IQ:Q:ATTenuation:RATio <real>
[:SENSe]:CORRection:IQ:Q:ATTenuation:RATio?
Example Set the attenuation for the current Q probe to 100.00:1:
:CORR:IQ:Q:ATT:RAT 100
Notes Each probe type has its own attenuation setting. As probes are changed the attenuation value will
reflect the new probe's setting. Changing the attenuation affects only the current probe type's setting
and leaves all others unchanged
When the IQ Path is I+jQ, the Q probe attenuation setting must match the I Probe attenuation setting
within 1 dB. If this is not the case, an error condition message is generated, 159; Settings Alert; I/Q
mismatch: Attenuation
2085 Short Range Comms & IoT Mode User's &Programmer's Reference
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