GUI Reference
R&S
®
ZNB/ZNBT
241
User Manual 1173.9163.02 ─ 38
For linear frequency sweeps the step size is an alternative to the
setting:
●
If the sweep range is defined via "Start Frequency" and "Stop Frequency", both the
"Stop Frequency" value and the "Number of Points" can vary as the "Freq Step
Size" is changed. The "Stop Frequency" value is changed as little as possible so
that the condition
"Freq Step Size" = ("Stop Frequency" – "Start Frequency") / ("Number of Points" –
1)
can be fulfilled. Changing the "Start Frequency" and "Stop Frequency" modifies the
"Freq Step Size".
●
If the sweep range is defined via "Center Frequency" and "Span Frequency", both
the "Span Frequency" value and the "Number of Points" can vary as the "Freq Step
Size" is changed. The "Span Frequency" is reduced as little as possible so that the
condition
"Freq Step Size" = "Span Frequency" / ("Number of Points" – 1)
≤
can be fulfilled. Changing the "Span Frequency" modifies the "Freq Step Size".
Note:
●
This setting is valid for linear frequency sweeps only. It does not apply to logarith-
mic and segmented sweeps, power, time or CW Mode sweeps.
●
Decreasing the "Freq Step Size" generally increases the measurement time.
Remote command:
Sweep Time / Auto
Varies the measurement time for a sweep or delays the start of each sweep.
●
"Sweep Time" is the total measurement time for the sweep. The minimum possible
sweep time is equal to the estimated value in "Auto" mode. Setting a larger sweep
time is equivalent to defining a
before each partial measurement.
●
"Auto" minimizes the sweep time. The "Meas Delay" is set to 0 s. "Sweep Time"
indicates the estimated sweep time, depending on the current measurement set-
tings. The "Sweep Time" and "Meas Delay" values are maintained until changed
explicitly if "Auto" is switched off.
If a time sweep is active, "Sweep Time" is not available. The analyzer uses the previ-
ously defined sweep time settings.
Remote command:
[SENSe<Ch>:]SWEep:TIME
[SENSe<Ch>:]SWEep:TIME:AUTO
Meas Delay
Adds a delay time before the start of the partial measurements. See
"Partial Measurements and Driving Mode"
"Meas Delay" is not available while a "Time" or "CW Mode" sweep is active. However,
the analyzer takes into account a previously defined measurement delay.
As an alternative to increasing the delay (and thus the total sweep time), it is possible
to select "Alternated" driving mode; see
Remote command:
Sweep Softtool