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66 Chapter 3
Optimizing Performance
Creating and Applying User Flatness Correction
Configure the Signal Generator
1. Press
Preset.
2. Configure the signal generator to interface with the power meter.
a. Press
Amplitude > More (1 of 2) > User Flatness > More (1 of 2) > Power Meter > E4416A, E4417A, E4418B,
or
E4419B.
b. Press
Meter Address > enter the power meter’s GPIB address > Enter.
c. For E4417A and E4419B models, press
Meter Channel A B to select the power meter’s active channel.
d. Press
Meter Timeout to adjust the length of time before the instrument generates a timeout error if
unsuccessfully attempting to communicate with the power meter.
3. Press
More (2 of 2) > Configure Cal Array > More (1 of 2) > Preset List > Confirm Preset.
This opens the User Flatness table editor and presets the cal array frequency/correction list.
4. Press
Configure Step Array.
This opens a menu for entering the user flatness step array data.
5. Press
Freq Start > 1 > GHz.
6. Press
Freq Stop > 10 > GHz.
7. Press
# of Points > 10 > Enter.
Steps 4, 5, and 6 enter the desired flatness-corrected frequencies into the step array.
8. Press
Return > Load Cal Array From Step Array > Confirm Load From Step Data.
This populates the user flatness correction array with the frequency settings defined in the step array.
9. Press
Amplitude > 0 > dBm.
10. Press
RF On/Off.
This activates the RF output and the RF ON annunciator is displayed on the signal generator.