Anritsu 681XXC - Manual (Page 159)

Power Level
Flatness Test
Procedure Power level flatness is checked by measuring the
power level variation during a full band sweep; first
in the step sweep mode, then in the analog sweep
mode.
Step 1 Set up the 681XXC as follows for a step
sweep power level flatness test:
a. Reset the instrument by pressing
SYSTEM , then Reset . The CW
Menu is displayed.
b. Press Step to place the 681XXC in
the step sweep frequency mode and
display the Step Sweep Menu (below).
c. With the Step Sweep menu displayed,
press the main menu key
FREQUENCY
CONTROL
The Sweep Frequency Control Menu
(below) is displayed.
d. Press Full to select a full range fre-
quency 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 record.
681XXC OM 5-15
OPERATION POWER LEVEL ACCURACY
VERIFICATION AND FLATNESS TESTS