Tektronix 2235 User Manual

Ad ju st m e n t Pr oced u re-2235 Service
g . C
HE
C
K
-Display
amplitude
is 0 .05
divisio n
or less .

k . Ad j ust t h eCH 1 or C H 2 V O L TS/DI V Va r ia b le con trol
for minim u m d is p lay am p lit ude .
h .
Disco
n
nect t
h
e test e q ui
p
me
n
t
from
t he instrument .
19 . C h
ec
k Common- M
o
d
e
R
e j ectio
n R
atio
α . Set
:
V
O
L TS/DI V (
b ot
h )

10
m
V
I
NVER T

On (button i n )
C
h
a
n
nel 2 AC-G N D-DC

DC
b . Connect
t h
e leveled sine-wave gene
r
ator out p ut
via
α
50- Ω cable, α 50- Ω termi n atio n , and α dual-in p
ut cou p le
r
to
t he C H 1 OR Χ an dCH2 O RΥ in p
ut connecto
r
s .
c . Set t he gene r ator to pr od uce α
50-MHz,
6- d ivision
dis p lay .
d . V e
r
tically cen ter t h e display using t he C h annel 2 POSI-
TION co
n
trol
. T h
en set t he VER TICA L M OD E switc h to
C
H 1
and vertically ce
n
ter t he d is p lay u sing t h e C h annel 1
P OSITIO N co n trol .
e . Set
t h
e
VER TICA L M
OD
E
switc
h
es to BOTH and
ADD .
f . C HE
C
K -Display amplitude
is 0 .6
division
or less .
g . If
t
h
e c
h
ec
k i n p
art
f
meets t
h
e re qu irement, sk i p to
p art ρ . If it does not, contin u e wit h p
art
h .
h . Set t h
e
VER TICA L M OD E switc h
to
C H 1 .
Ι . Set t he VER TICA L M OD E switc h to C H 1 .
m . Set t he generato r to p roduce α 50- MH z, 6-division
display .
η . Set t he VER TICA L M OD E switc h to BOTH .
ο . C HE CK -Display amplitude is 0 .6 division o r less .
ρ .
Disconnect
t h
e test e q ui
p
me
n t from t h
e
i n
st
r
ume
n
t .
20 . C h ec k Inpu
t Gate C
urr
en t
α . Set
:
VER TICA L M
OD E

C H 1
V
O
L TS/DI V (
b ot
h )

2 m V
V
O
L TS/DI VV
a
r
ia b le ( b ot h )

CA L dete n t
AC-G N D-DC
( b ot h )

G ND
b . P ositio n t he t r ace on t he center h orizo n tal graticule
line using t he C hann el 1 P OSITIO N control .
c . C HE CK - F or 0 .1 d ivisio n or less t r ace sh ift w h ile al-
ternating t he C h annel 1 AC-G N D-DC switc h between t he
AC and G N D positio ns .
d . Set t h e VER TICA L M OD E switc h to C H 2 .
e . R epeat parts ba nd c u si ng t he C han nel 2 controls .
ΝΟΤΕ
i . Set t he generator to produce α 50- kH z, 6- d ivision

To con ti nu e wit h t h e Ad ju stment P rocedu r e, r emove
display .

t
h
e
i n
strume n t cab i n et a nd allow α 20-minute time p e-
rio
d to ela p se b efore contin u
ing wit h
t h e A dju stme n t
P rocedure . See t h e "Cab inet" r emoval i n structions lo-
j . Set t
h
e
VER TICA L M
OD E switc h to BOTH .

cated in t he " M ai n te n a nce" section of t he man u al .

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English