Tektronix 2235 - EXTERNAL Z-AXIS AND PROBE ADJUST

E XT ERN A L Z-AXIS A NDPR O BE AD JU ST
E qu ipme n t Re q uire d (seeTa b le
4-1) :
L eveled Si n e- W ave Generator (Item 2)

BN C Τ -Connector (Item 8)
Two
50- Ω BN C Cables (Item 4)

10 ΧP ro be (provi ded wit h instrume
n
t)
50- Ω BN C Termination (Item 5)
V
ertical
I N ITIA L CO NTR O L S E TTI N GS

con nector . T hen connect α 50- Ω cable a nd α 50- Ω te r mi n a-
tion from t h e Τ -connector to t he ΕΧΤ Ζ AXIS I NPU T con-
nector on t h e rear p anel .
C h annel 1 P
OSITIO N

M
idrange
VER TICA L M OD E

C
H 1
BW L I M IT

Off (button
out)
C H
1 V
O L
TS/DI V 1 V
C H 1 V O L
TS/DI V
V aria b le

CA
L
detent
C han nel 1 AC-G N D-DC

DC
H orizontal
P OSITIO N

M
idra
n
ge
HO R IZO N
TA L M
OD
E

Α
Α
S
E
C/DI
V 20 μs
SE C/DI
VV
ariable

CA
Ld etent
Χ 10
M agnifier

Off ( k no b in)
Α T R
IGG
ER
V A R H O L DO
FF

N O RM
M ode

Ρ - Ρ A
U TO
SL O PE

O U
T
LEVEL

M idrange
Α
&
Β ΙΝΤ

VER T M OD E
Α
SOUR C
E

ΙΝΤ
PR OC ED URE STEPS
1 . C h
ec
k E xte r nal Ζ -Axis O p eratio n
P erfo r mance C heck Pr oce dur e-2235 Service
b . Set t h e gen erator to p roduce α 5- V , 50- kH z signal .
c . C HE CK - For noticea b le i n tensity modulation . T he
positive p art of t h e si ne wave sh ould b e of lower i n te n sity
t han t he negative p art .
d . Disconnect t h e test eq ui p ment from t he i n strument .
2 . C h ec k P robe Ad j ust Operation
α . Set :
C H 1 V O L TS/DI V 10 m V
Α SE C/DI V 0 .5 ms
b . Connect t he 10 Χ P ro b e to t he CH 1 O RΧ i np ut co n -
nector and inse r t t he probe tip into t h e PR O BEAD JU ST
j ac k on t he instrument front panel . If necessary, a d ju st t he
probe com p e n satio n for α flat-to pped s qu are-wave d is p lay .
c . C HE C K -Dis p lay am p litude is 4 .75 to 5 .25 divisions .
α . Con n ect t he leveled
sine-wave generator out p ut via α
50- Ω cable a nd α
Τ -con n ecto r to t he CH 1 O RΧ i npu t con-

d . Disconnect t h e p robe from t he instrument .