Tektronix 5440 Instruction Manual page 33

S
p
ecification and
P
erformance C
h
ec
k
-5440
g . Discon
n
ect t
h e bnc cable and terminatio
n
from t
h
e c. C
HE
C
K
-
F
or two traces for t
h
e left am
p
lifier (o
n
e
vertical am
p lifier in
p
ut co
n nector and release t
h
e S
WP foreac
h
c
h
annel), t
h
en two traces for t
h
e ce
n
ter amplifier,
M
AG
p
us
h
button .
alternately . (If α single-c
h annel am
p
lifier is use
d
instea
d
of
t
h
e second
d
ual-trace amplifier, t
h
e si
n
gle-c
h annel trace
5. C
h
ec
k Alternate Operation
will appear twice for eac
h
alternatio
n
.)
α.
P
us
h
bot
h
C
H
1 and C
H
2 pus
h
buttons i
n
.
d .
P
ress t
h
e
P
O
WER
switc
h
to turnoff t
h e Oscilloscope
a
n
d interc
h
ange t
h
e two vertical am
p
lifiers i
n
t
h
eir res
p
ec-
b. Set t
h
e time-base unit for 10 ms/div and
p
ositio
n
t
h
e
tive com
p
artments .
R
emove t
h
e vertical am
p
lifier from t
h
e
traces about two divisio
n
s a
p
art .
center com p artment . Pull t
h
e
P
O
WER
switc
h to on .
ΝΟΤΕ
c . Turn t
h e time-base Sec/Div switc
h
t
h
roug
h
out its
range . T
h
e 5 Α 48 is used for t
h e vertical system perfor-
mance
p
rocedure .
Wh
en α different amplifier plug-in
is used to verify vertical specifications, t
h
e os-
d .
C
HE
C
K -Trace alternation at all swee
p
rates (ex- c ίlloscope system frequency r es
p
onse may be
ce p t AMP position) . At faster swee
p rates, alternation is
d
egraded .
not appare
n t ; instead, dis p lay appears as two traces on t
h
e
scree
n
.
8 . C
h
ec
k V
ertical Gain
e . P ress t
h
e
P
O
WER
switc
h
to turnoff t
h e Oscillosco p e
a
n
d c
h
a
n
ge t
h
eamplifierfrom t
h ecenter vertical compart-
ment to t
h e left compartme
n
t .
f . Pull t
h
e
P
O
WER switc
h
on an d re
p
eat p arts α
th
roug
h
d of t
h
is step .
α . P us
h
t
h
e C
H
O
P butto
n
in on t
h
e time-base u
n
it .
b . Turn t
h e time-base Sec/Div switc
h
t
h
roug
h
out its
ra
n
ge .
c . C
HE
C
K
-
F or d ual-trace dis p lay at all sweep rates,
wit
h out alteration (exce p t AMP p ositio
n
) .
d .
P ress t
h
e
P
O
WER
switc
h to turnoff t
h
e Oscilloscope
a
n
d c
h
a
n
ge t
h e amplifier from t
h
e left vertical compart-
me
n t to t
h
e ce
n
ter com p artme
n
t .
e . Pull t
h
e
P
O
WER
switc
h to on and repeat parts α , b,
and c of t
h
is step .
7 . C
h
ec
k
Alternate Operation
B etween Am p lifiers
α . Connect α 1
kH
z s q uare-wave sig
n
al from t
h
e
calibration Ge
n
erator to t
h
e am
p
lifier i
np
ut, using α 42-
i
n
c
h b n
c cable . Set t
h e time-base Sec/Div to 1 ms .
b . Set t
h
e am p lifier and ge
n
erator co
n
trols to obtai
n
α
five-volt reference signal . Center t
h
e d is
p lay .
6 . C
h
ec
k
C
h
o p
O
p eration
c . C
HE
C
K
-T
h e crt d isplay for α vertical deflection of 5
d ivisio
n s ±0 .15 d ivision (±3 ο/ο ) .
d .
P
ress t
h e P O
WER
switc
h
to turnoff t
h
e Oscilloscope
a
n
d remove t
h
e amplifier from t
h
e left vertical compart-
me
n
t a
n
d i
n
stall it i
n
t
h
e center com p artme
n
t . Pull the
P
O
WER
switc
h
to on .
e . CHECK-The crt display for α vertical deflection of5
d
ivisions ±0 .15 division (±3 ο/ο ) .
f . Disco
nn
ect t
h e bnc cable from t
h
e 5Α 48 in p ut
co
n
nector .
9 . C
h
ec
k V
ertical Com pe
n
sation
α . Set t
h
e am
p
lifier C
H
1
V
O
L TS/DI
V
switc
h
to .1 .
Connect t
h
e pulse ge
n erator to t
h
e C
H
1 i
n
put connector
wit
h th e 42 i
n
c
h
cable an
d
α 50 o
h
m terminatio
n
.
α . Install α secon
d vertical dual-trace plug-i
n
unit in t
h
e
left p lug-in compartment a
n
d set its controls for d ual-
trace o p eratio
n
.
b . Set t
h e time-base
u
nit for α calibrated sweep rate of
20 ns/
d iv and triggering for auto mode, ac coupled, a
nd
R
IG
H
T trigger source . Ad
j ust t
h
e trigger level control fora
b . Set t
h
e time-base C
h
o
p pus
h
button to its out
stable dis p lay, triggered on t
h
e risi
n
g portio
n
of α 1
MH
z
p
ositio
n
an d
t h
e Sec/Div switc
h
to 20 ms/div .
pulse . Ce
n
ter t
h
e pulse
h
orizo
n
tally on t
h
e graticule .
2-9