
13. Sweep, DAC, and Main Coil Driver Adjustments
h,
stopped
1
2.00
V/div
offset:
3.500 v
10.00 : I dc
i
w
..-...........;
..-...
i
-...
_
.
.
.
.
.
.
.
..i
.._......
~..I..&_-i
..__.............
/
..__.
i
.__.._........_;
._......
LB+
i
;
j
;
i
i ;
;
:
i
1
/
;
/
./.
i
/
i
;
g
i
/
1
.i.
i
i
I
..-
~.
T
.
+
_....
+
_......._.......
/
:
.._..........
+
._._......,.__;
.._.....
_
[
;
/
i
1
1;:
f
/
i
./
/
1
I
I
k
]
:
$-.---
i
i
.._...._....
i
.,,.
i
I
...._._._.I..._
i
.._.
I......_.._.._..._
i
.._..............
i
.._._...........
i
..___...........
/
-1.00000 s 0.00000 s
1.00000 s
200
nsldiv
2
f
1.375 v
Figure 3-59. Properly Adjusted DC Levels Between Sweep Ramps
13. Adjust
A16R68
AUX adjustment to align dc level of 3 dead time
steps with upper dc level of each preceding sweep ramp. Refer
to Figure 3-59 and Figure 3-60 for typical display of proper and
improper adjustment.
h,
stopped
1
2.00
V/div
offset:
3.500 v
10.00 : I dc
; .
..!.”
+
. ../ .(
.j......
/
i
i
I:
i
.
...+...!
.++.~
b
4 :..
I
1_.....,........,..
:I:.
i
,...
.,.....,..,..,_
_,-
_.._.._I
~.__........,......
~.........
t-
...,,..,(,,,,
~11111’:1:::~~~,~
,__,,,,,
1,
.._
1
200
ms/div
2
f
1.375 v
Figure 3-60. Improperly Adjusted DC Levels Between Sweep Ramps
14. Disconnect the oscilloscope (and universal counter) from the
spectrum analyzer.
Adjustments 3-l 17
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