Tektronix 2213 - Page 81

A dj ustment Pr ocedu re-2213 Service
b . Select 50- μ s time mar k ers
from t he time-mark
gene r ator .
ε . Align t he 1st time mar k er
with t he 1st graticule li n e .
A d j ust t he MUL TI PL I ER co
n trol so t h at t he i n tensifie d
sweep starts on t he 5t
h time ma rk er to pr od uce α 200- μ s
delay .
d . Set t he S
E
C/DI
V switc h to 0 .05 μ s and set th
e
H O R IZO N TA L M OD E switc
h
to D
L Y'D . A dju st the
MUL TI PL I ER con trol slig h
tly
to
bri ng t he lea d i ng ed ge of
t hetime mar k er wit h in t
h
e gratic
u le area, if it is not alrea dy
visible .
e .
C
HE C K - J itter on t h e lea d
i n g e d ge of t he time
mar
k e r d oes n ot excee d 0 .8 division
. Dis r egar d slo w drift .
9 . C h ec k P OSITIO N
Control R ange
α . Set :
S
E
C/DI
V

logs
H
O
R IZO N TA L M OD E

ΝΟ
DL Y
b . Alig
n t h e 3r d time mar k er with t h
e
cente
r vertical
gratic u le line
.
c .
Set t h e Χ 10 M agnifier kn ob to On
( knob o ut) .
d
.
C
HE C K-M ag n ified time mar k e r can be
positione d to
t he left of
t h e cente r vertical g r aticule
line b y rotating t he
H o r izo n tal
P OSITIO N control fully
countercloc k wise .
e . C HE C K -Start
of t he sweep can b e positio n e d to t he
rig h t of t h e center
vertical graticule li ne b y rotating t he
H o r izo n tal
P OSITIO N control f u lly cloc k wise .
f .

Disco n nect
t he test setu p .
10 . A d ju st Χ -Gai n
α . Set :
C H 1 V O L TS/DI
V 20 m V
S EC/DI V

Χ - Υ
b . Co n nect α 0 .1-
V standar d -amplit ud e signal to t
h
e
C
H 1 O RΧ in put co n nector
u
si
n g α 50- Ω cable .
c .
AD JU ST- Χ Gain ( R 709)
for exactly 5 d ivisions of
h orizontal d eflection
.
d .
Discon n ect t he test set u p .
11 . C h ec k Χ - B an
d widt h
α .
Connect α 50- kH z levele d sine-wave
signal via α 50- Ω
ca b le an
d α 50- Ω termi n ation to t
h e
C
H 1 O R Χ in pu t
con n ector .
b . Set t h
e generato r to ob tai n α 5- d ivision h orizontal
d is p lay .
ε . Ad j ust
t h e ge n erator ou t p ut fre que
n
cy
to 2 MHz .
d . CH E C K -Display
is at least 3 .5 d ivisio n s in lengt
h .
e . Discon n ect
t he test set u p .