
3. Preliminary Display Adjustments (SN 3001A and Below)
AlA
AlA
AtA
/
A3A2
Figure 3-17. Location of
AlA2,
AlA4,
AlA5,
and
A3A2
~ooooooooooooooor
AlA
L
R22
IYT
Hf
GAIN GAIN
\
AlA4/AlA5
GA15
11
E.2
/
Figure 3-18.
AlA2,
AlA4,
and
AlA
Adjustment Locations
10. Set the pulse/funtion generator controls as follows:
MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NORM
Waveform
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..pulse
Frequency (FRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200
kHz
Width (WID)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 ns
Amplitude (AMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.2.00
V
Offset (OFS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OOO
mV
Disable
. . . . . . . . . . . . . . . . . . . . . . . . . . . . off (OUTPUT enabled)
11. Connect the output of the pulse/function generator to
Jl
(X input)
on the Display Adjustment PC board in the
A3A2
slot as shown in
Figure 3-16.
Note
The pulse/function generator output must be terminated with 50
ohms. Use a BNC tee, a 500 termination, and a BNC female to SMB
female adapter. Install the
500
termination as close to the Display
Adjustment PC Board as possible.
3-50
Adjustments
Commentaires sur ces manuels