Mode l 652A
NOTE
To use the EXPAND funct ion o f the
Model 652A perform ste ps h through j .
To obta in a reference on the o ut put
mon itor the mon itor ind icat ion m ust be
in the to p 1 0 % of scale. If not, the REF
SET contro l s will not have suff ic ient
range to e stablish a referenc e .
+20
I
:2;
CD
0
Z
f-
u
w
n::
n::
0
u
n::
w
f-
w
:2;
+10
+5
-_.- "'
'
-5
-15
t
,i
�'-1 -
-- +- --;
r----t
±
�
"';
,
i···
10
Section III
h. S ct MONITOR switch to EXPAND po sit ion .
1.
Ad just RE F SET .;ontrol s unt il de sired reference is
ind icated on the percent scale of the o ut put
monitor.
j. U se AMP LITUDE contr ol s to maintain set reference
whenever frequency of o sc illator is changed.
�-I-'
..
.
.
..
..
.
.
.
.
r
----+-
___
..
,
lOOK
IMPEDANCE
OHMS
Figure
3-2.
Impedance Correction Graph
3-3