Tektronix 2235 User Manual

Ta b le 5-6

i . U se t he H orizontal P OSITIO N
control to align t h e first
Setti n gs fo r Timing Acc ur acy C h ec k s

time mar k er t h at is 25 ns beyond t h e start of t h
e sweep
wit h
t he second vertical graticule line .
0 .1 s
0 .2s
0 .5s
Time- M a rk Ge ne r ato r Setti ng
SE C/DI V

j . C HE C K -Timing accuracy is wit h in 3% (0 .24 d ivision
Switch Setti ng

N o r mal

Χ 10 M agnifie d

at t he 10t h ve r tical graticule li n e), and li n earity is wit h i n 5°/ ε
(0 .1 d ivision over any 2 of t h e center 8 divisions) . E xclude
0 .05 As

50 n s

10 ns

any p ortio n of t he sweep past t he 100t h magnified division .
0 .1 As

0 .1 As

10 ns
0 .2 μs

0 .2 As

20 ns
0 .5 As

0 .5 As

50 ns

k . R epeat p arts i and j for t he remaining Α SE C/DI V an d
time-mar k generator setting combinations sh ow n in Tab le
1 As

1 As

0 .1 As

5-6 und er t h e " Χ 10 M agnifie d " column .
2 As

2 As

0 .2 As
5 As

5 As

0 .5 As
10 μs

10 AS

1 AS
20 As

20 As

2
As

H O R IZO N TA L M OD E

Β
50 As

50 As

5
As

Α SE C/DI V 0 .1 AS
Β SE C/DI V 0 .05 As
0 .1 ms

0 .1 ms

10 As

Χ 10 M agnifier

Off (k no b in)
0 .2 ms

0 .2 ms

20 As
0 .5 ms

0 .5 ms

50 As
1 ms

1 ms

0 .1 ms
2 ms

2 ms

0 .2 ms
5 ms

5 ms

0 .5 ms
10 ms

10 ms

1 ms
20 ms

20 ms

2 ms

11 . C h ec k Delay Time Dial R an ge andAccuracy
50 ms

50 ms

5 ms
Α Swee p Only
0 .1 s
0 .2s
0 .5s
NOTE

b . Align t he start of t h e Α Swee p wit h t he 1 st vertical
F or c h eck ing t he timing accuracy of t he Α S E C/Dl V

gratic u le line using t he H orizo n tal P OSITIO N
cont
r
ol
.
switc h settings f r om 50 ms to 0 .5 s, watc h t he time
mar k er tips only at t he 2nd a nd 10t h vertical g r aticule

c . C HE C K -Intensified portion of t he trace starts wit h in
lines w h ile ad j usting t he H o r izo n tal POSITION control .

0 .5 d ivision of t h e start of t he sweep .
f . R e p eat p arts c t h ro ugh e for t he remaining Α SE C/DI V
an d time-mar k generator setti ng com b i n atio ns sh own in Ta-
ble 5-6
u
nder
t h
e"
N
ormal" column
.
g . Set t he Χ 10 M agnifier to On ( k nob out) .
Ι . Set :
m . R e peat parts b t h roug h k for t he Β Swee p . K ee p t he
Α SE C/DI V switc h one setting slower t han t h eΒ SE C/DI V
switc h .
α . Set :
Adju stme n t Pr oce d ur e-2235 Service
Ch ann el 1 AC-G N D-DC

G N D
H O R IZO N TA L M OD E

AL T
10 ms

Α and Β SE C/DI V 0 .2 ms
20 ms

Χ 10 M agnfier

Off ( k
nob
in)
50 ms

Β DEL AYTIME P OSITIO N

Fu lly
countercloc
k
wise
Α TR IGG ER M ode

Ρ - Ρ A U TO
d . R otate t h e Β DEL AY
TIME
P
OSITIO N control f u lly
cloc k wise .
e . C HE C K -I n te n sified p ortion of t he trace is past t he
11 t h ve r tical graticule li ne .
f . Set :
h .
Select 50-ms
time
ma
rk
e
r
s
from
t
h
e time-mar k gener-
ator w hen
c
h
ec
k ing t h
e
Α
Sweep a
n
d 5-ms time mar ke r s

Α and Β SE C/DI V 0 .5 As
w h e
n
c
h
eck ing t h eΒ Swee p .

Β DEL AYTIME P OSITIO N

F ully countercloc kwise

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English