g. Now, return to the Step Sweep menu
by pressing the main menu key
CW/SWEEP
SELECT
h. At the Step Sweep menu, press
Sweep Ramp
to go to the Step Sweep
Ramp menu (below).
i. Press
Dwell Time
to open the dwell
time-per-step parameter for editing.
j. Set the dwell time to 1 second.
NOTE
Monitor the 681XXB’s Horizontal
Output on the Oscilloscope to deter-
mine sweep start and stop.
Step 2
As the 681XXB steps through the full fre-
quency range, measure the maximum and
minimum Power Meter readings and re-
cord 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 re-
cord.
OPERATION
POWER LEVEL ACCURACY
VERIFICATION
AND FLATNESS TESTS
5-16
681XXB OM
