156 Keysight E8357D/67D & E8663D PSG User’s Guide
Optimizing Performance
Creating and Applying User Flatness Correction
Save the User Flatness Correction Data to the Memory Catalog
This process allows you to save the user flatness correction data as in the
signal generator’s memory catalog. With several user flatness correction files
saved to the memory catalog, any file can be recalled, loaded into the
correction array, and applied to the RF output to satisfy specific RF output
flatness requirements.
1.
Press
Load/Store
.
2.
Press
Store to File
.
3.
Enter the file name
FLATCAL1
using the alphanumeric softkeys, numeric
keypad, or the knob.
4.
Press
Enter
.
The user flatness correction array file FLATCAL1 is now stored in the memory
catalog as a
UFLT
file.
Applying a User Flatness Correction Array
Press
Return
>
Return
>
Flatness Off On
to On.
This applies the user flatness correction array to the RF output. The
UF
indicator is activated in the
AMPLITUDE
section of the signal generator’s
display and the frequency correction data contained in the correction array is
applied to the RF output amplitude.
Recalling and Applying a User Flatness Correction Array
Before performing the steps in this section, complete
Flatness Correction Array” on page 152
1.
Press
Preset
.
2.
Press
Amplitude
>
More (1 of 2)
>
User Flatness
>
Configure Cal Array
>
More (1 of 2)
>
Preset List
>
Confirm Preset
.
3.
Press
More (2 of 2)
>
Load/Store
.
4.
Ensure that the file
FLATCAL1
is highlighted.
5.
Press
Load From Selected File
>
Confirm Load From File
.
This populates the user flatness correction array with the data contained
in the file
FLATCAL1
. The user flatness correction array title displays
User
Flatness: FLATCAL1
.
6.
Press
Return
>
Flatness Off On
to On.
This applies the user flatness correction data contained in
FLATCAL1.
