Alternate Sweep - Agilent Technologies FieldFox N9912A User Manual

How to select Window settings
 Press Meas Setup 4.
 Then Settings.
 Then press ▲|▼ arrows to move to the Window row.
 Then press Edit.
 Then press
 Then press
 Again press Done.

Alternate Sweep

Available ONLY in a Return Loss & DTF measurement.
With Alternate Sweep ON, two independent sweeps are performed:
 Return Loss measurement sweep (Top plot).
 DTF measurement sweep (Bottom plot).
With Alternate Sweep OFF, only one sweep is made for both the Return Loss and
DTF measurement.
How to set Alternate Sweep
 Press Mode then CAT.
 Then
 Then Meas Setup 4.
 Then
With Alternate Sweep ON, the Start and Stop frequency settings can be changed
from the settings that are required to make the DTF measurement. However, the
DTF measurement continues to be made using the frequencies that are dictated
by the DTF Bandpass Mode setting. Learn more on page 30.
If a calibration is performed, it is applied to both sweeps.
How to set Start and Stop Frequency with Alternate Sweep ON
 Press Freq/Dist .
 Then
34
repeatedly and choose from the following:
Window
Maximum – Optimized for dynamic range, the noise floor is lowered to
o
provide the ability to measure low-level responses. (Default setting)
Medium – Compromise between Min and Max window settings.
o
Minimum – Best Response Resolution, providing the ability to resolve
o
between two closely-spaced responses.
Done Edit.
Return Loss & DTF.
Alternate Sweep ON
Start Frequency
Follow each by entering a value using the numeric keypad, ▲|▼
arrows, or the rotary knob.
OFF.
and
Stop Frequency.
N9912A FieldFox User's Guide