ADJUSTMENTS
,
5
-
25.
FIRST CONVERTER ADJUSTMENTS (SERIAL PREFIX 2236A) (Cont'd)
32.
Set FREQ SPAN/DIV to 1
MHz.
Note position of comb tooth.
33.
Adjust A7R99
MO
to place comb tooth midway between position noted
in
step
32
and center graticule
line.
34.
Set
FREQ SPAN/DIV to
2
MHz.
35.
Adjust TUNING to place comb tooth on center graticule line.
36.
Set
FREQ SPAN/DIV to 1
MHz.
Note displacement of comb tooth from center graticule line.
37.
Repeat steps
30
through
36
until displacement of comb tooth is less than
0.2
major division when FREQ
SPAN/DIV is switched from
2
MHz
to
1
MHz.