GUI reference
R&S
®
ZNB/ZNBT
477User Manual 1173.9163.02 ─ 62
Screen elements
From top to bottom, the screen consists of the following elements.
Calibration Sweep Diagram
The calibration sweep diagram in the upper part of the screen shows the progress of
the calibration and the accuracy of a completed calibration ("Verification"). The diagram
is scaled in "dB Mag" format.
The diagram title indicates the ongoing calibration type and reading. The traces in the
diagram vary according to the calibration stage.
While no calibration is performed, or during a source power calibration ("Power"), the
following traces are displayed:
●
A limit line (double horizontal) represents the target power of the source power cali-
bration ("Cal Power").
●
"Pmtr<n>" shows the reading of the power meter <n> in use. This trace is only
shown during the first calibration sweeps; the following sweeps are based on the
reference receiver result.
●
"a<m>(P<m>)" shows the source power reading of the analyzer (wave quantity, ref-
erence receiver) at the calibrated source port P<m>.
After a successful power calibration, the trace "a<m>(P<m>)" must be close to the "Cal
Power".
During a measurement receiver calibration ("Meas. Receiver"), the following traces are
displayed:
●
The trace "a<m>(P<m>)" shows the (previously calibrated) power at the calibrated
reference plane (source port P<m>).
●
The trace "b<n>(P<m>)" shows the current power reading of the analyzer at the
calibrated receive port P<n> (source port P<m>).
After successful measurement receiver calibration, the "b<n>(P<m>)" trace must be
close to the "a<m>(P<m>)" trace. Due to the previous power calibration, both traces
must be close to the cal power.
Cal softtool
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