GUI reference
R&S
®
ZNA
648User Manual 1178.6462.02 ─ 20
5.13.3.2 Source Coherence dialog
The "Source Coherence" dialog allows you to enable and configure Phase coherent
source control and True differential mode.
Access:
●
Channel – [Mode] > "Source coherence" tab > "Source Coherence ..."
●
Balanced Ports dialog > "Source Coherence ..."
Source Coherence On
Same as Source Coh. On on the "Source Coherence" softtool tab.
Use Port Match and Calibration
Allows you to select between a raw (unchecked), or an optimized phase control, apply-
ing port match corrections and.calibration (checked, default).
If checked, the phase values are relative to a common zero. Otherwise the phase rela-
tion between the different ports is undetermined.
Remote command:
SOURce<Ch>:CMODe:OPTimized[:STATe]
Port-specific parameters (table)
The controls in the table allow you to activate and define port-specific phase settings in
source coherence mode.
The table is enabled, if and only if Source Coherence On is checked.
All phase values are defined at the calibrated reference plane of the respective
port.
Def'd Phase Coherence ← Port-specific parameters (table)
Defines the individual analyzer sources as coherent or non-coherent.
Mode softtool
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