
24. Digital Storage Display Adjustments
i
..__...~~~.......
-.-
_.._.._.__._.....__.
-
._._........._._
i
..~.....-”
.._...........”
.._.......,,.,..,.,.,,,,,.,,,,.,,,,..,.,,,,,,,.,...
*
-2.90000
us
-400.000
ns
2.10000 us
500
ns/div
1
50.0
nV/div
offset:
0.000 v
10.00 : I dc
4
f 300.5
IV
Figure 3-106. Sample and Hold Balance Adjustment Waveforms
hf
running
:
._..
--
.._.
-.__-
._......._.................................~..~..............
_...~
_.._.........................,
-
.
..~.......
-
.
.$
.f
.f
..f
.+
-:
!
.+..
!
i
!
j.
/
..p
.I.
..!
;
r--“c-$---l
.i.
..i
_I.
I
..-...-...........-.-....-...-................-
z
._.._.......
-
._....._..............-.--..-........-............................
-
_.__.......
i
-2.90000
us
-400.000
ns
2.10000
us
500
ns/div
1
50.0
W/div
offset:
0.000 v
10.00 : I dc
4
f
300.5 l l
Figure 3-107. Waveform Before Adjustment
19. Connect the oscilloscope Channel 1 probe to
A3A3TP7.
20. Adjust
A3A2R51
Y S&H BAL for minimum dc offset between the
level of the signal inside the two pulses to the signal level outside
the two pulses.
21. Set spectrum analyzer LINE switch to STANDBY.
22. Reinstall
A3A3
Line Generator in spectrum analyzer without
extender boards.
23. Set spectrum analyzer LINE switch to ON.
Adjustments
3-215
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