Tektronix 465M User Manual

(7)
Set
CH 1
VOLTS/DIV
to
.5,
remove
the 10X
attenuator,
and
readjust
the
generator for a 5
division
display.
(8)
Adjust C4105
for the
best
flat
top,
and C4104
for
the best
front
corner
on the
waveform.
Alternately
re-
adjust
both
capacitors
for
the
best overall
waveform
response.
(9)
Continue to
the next
procedure.
I.
High-Frequency
Compensation
(Figure
5-19).
(1
)
Move the
output
of the
square
wave
generator to
its
positive going,
FAST RISE
OUTPUT.
(2)
Set
CH
2
VOLTS/DIV to 5
m
and
VERT
MODE
to
CH 2.
(3)
Disconnect
the square
wave
generator
output
from
the CH 1
input,
remove
the input RC
normalizer,
in-
stall the 10X
attenuator
between the
BNC cable
and termi-
nator,
and connect
the
generator output to
CH
2.
Set
the
generator output to
1
kilohertz
and adjust
for
a
5
division
display.
During
adjustments,
maintain
a
5
division
display.
(4)
Adjust
R4406
for the
best flat top on the
wave-
form.
(5)
SetTIME/DIVto
20
ms.
(6)
Set generator to
10
kilohertz and adjust
for a
5
division display.
(7)
Adjust
C4405
for the best flat top
on the
wave-
form.
(8)
SetTIME/DIVto
.1
ms.
(9)
Set generator
for 100
kilohertz and adjust
for
a
5
division display.
(10)
Push in
X10
MAG (on).
(11)
Adjust
CH 2 vertical POSITION so top
of
wave-
form
is
on the center
horizontal graticule line.
(12)
Adjust
R4410,
C4410,
C4342,
C4412, C4447,
and R4447 for
the
best front corner of the waveform. Total
aberrations should not exceed
±3%
or
3%
peak to peak
(+0.1 5 division,
—0.1
5
division, or 0.1
5
division peak to
peak).
(13)
Set
CH
2
VOLTS/DIV
to 20 m.
(14)
Adjust generator for
a 5
division display.
(15)
Adjust
R4267 for the best front corner of
the
waveform.
AIR
FORCE T033A1
-13-496-1
NAVELEX
0969-LP-170-0010
Maintenance Instructions
(16)
Set CH 2 VOLTS/DIV to
.5.
(17)
Remove the
10X
attenuator from the
generator
input to CH 2.
(18)
Adjust R4206
for the best
front corner of the
waveform.
(19)
Reinstall the 10X attenuator in
the CH 2 input.
Set VOLTS/DIV
to 5
m and
TIME/DIV
to .05
ms.
Adjust
for a
5
division display. Check rise time. If it is greater
than
3.5
nanoseconds
repeat steps
(2)
through
(18).
(20)
Move
the
generator
output
from
CH 2 input
to
CH
1
input.
(21
)
Set CH 1 VOLTS/DIV
to 5 m and VERT MODE
to CH 1.
(22)
Adjust CH 1
vertical
POSITION so top
of wave-
form is
on the
center
horizontal
graticule line.
(23)
Adjust C4173,
R4173, C4174,
and R4174 for
the best
transient
response
of the
waveform.
Total aber-
rations
should
not
exceed
±3% or
3%
peak to peak
(+0.15
division,
—0.15 division, or
0.15
division
peak
to
peak).
INTERACTION
NOTE
If CH
1
reponse
cannot be
adjusted
within
requirements,
very
slightly
touch
up
the ad-
justment in
step
(12)
above. Then recheck the
CH
2
response and
rise time of both channels.
(24)
Set CH 1
VOLTS/DIV to 20
m and
TIME/
DIVto
.1
MS-
(25)
Adjust R4167
for the best
front corner
of the
waveform.
(26)
Set CH 1
VOLTS/DIV
to .5.
(27)
Remove
the
10X
attenuator
from the
CH 1
input.
(28)
Adjust R4106
for
the best
front
corner
of the
waveform.
(29)
Disconnect
the
generator.
5-49

Tektronix 465M Specifications

General

Brand	Tektronix
Model	465M
Category	Test Equipment
Language	English