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3. Set up the 683XXB as follows for an analog sweep
power level flatness test:
a.
Reset the instrument by pressing SYSTEM ,
then Reset . The CW Menu is displayed.
b.
Press Analog to place the 683XXB in the ana
-
log sweep frequency mode and display the
Analog Sweep Menu.
c. With the Analog Sweep Menu displayed, press
the main menu key
FREQUENCY
CONTROL
The Sweep Frequency Control Menu is then
displayed.
d.
Press Full to select a full range frequency
sweep.
e.
Press Edit L1 to open the current power level
parameter for editing.
f. Set L1 to the power level noted on the test rec-
ord.
g. Now, return to the Analog Sweep Menu by
pressing the main menu key
CW/SWEEP
SELECT
h. At the Analog Sweep Menu, press the menu
soft-key Sweep Ramp to go to the Analog
Sweep Ramp Menu.
i.
At this menu, press Sweep Time to open the
sweep time parameter for editing.
j. Set the sweep time to 99 seconds.
NOTE
Monitor the 683XXB’s Horizontal Output
on the Oscilloscope to determine sweep
start and stop.
4. During the analog sweep, measure the maximum
and minimum Power Meter readings and record
the values on the Test Record. Verify that the
variation (difference between the maximum and
minimum readings) does not exceed the value
noted on the Test Record.
682XXB/683XXB MM 3-29
PERFORMANCE POWER LEVEL ACCURACY
VERIFICATION AND FLATNESS TESTS