Tektronix 2235 User Manual

Pe r fo r ma n ce C h ec k Pr ocedu
r
e-2235
Service
E qui p me n t R equired (see Ta b le 4-1) :
Cali b ration Generator (Item 1)

50- Ω BN C Termination
(Item
5)
L eveled Sine- W ave Generator (Item 2)

D u
al-I np
ut Coupler
(Item 6)
50- Ω BN C Ca b le (Item 4)

10
Χ
Attenuator
(Item 7)
I N ITIA L CO N T R O L S E TTI N GS

ε . Move
t h
e ca b
le from t h e C H 1 O R Χ inp u t conn ecto r to
t h
e C
H 2 O RΥ in p ut co n nector . Set t he VER TICA L M OD E
V ertical ( B ot h C ha nn els)

switc h to C H 2 .
P OSITIO N

M i d ra nge
VER TICA L M OD E

CH 1
BW L I M IT

On (butto n in)

Table 4-2
V O L TS/DI V 2 m V

Deflectio n Acc ur acy L imits
V O L TS/DI VV aria b le

CA L d ete n t
I NVER T

Off ( bu tto n ou t)

V O L TS/DI V Sta nd a rd

V ertical

Acc ur acy
AC-G N D-DC

DC

Switch
~

Am p lit ud e
~
Deflectio n
~

L imits
Setti ng Signal (Divisio n s) (Divisio n s)
H orizontal
P OSITIO N

M i drange
H O R IZO N TA L M OD E

Α
Α SE C/DI V 0 .2 ms
S E C/DI VV a r iable

CA L dete n t
Χ 10 M agnifier

Off ( knob in)
Α T R IGG ER
VA RH O L DO FF

N O RM
M ode

Ρ - Ρ A U TO
S L O PE

O UT
LEVEL

M i d ra n ge
Α &Β ΙΝΣ

VER T M OD E
Α SOUR C E

ΙΝΤ
Α ΕΧΤ CO UPL I N G

AC
PR OC E D URE ST EP S
1 . C h ec k Deflection Acc ur acy and V a r ia b le R ange
α . Connect t he stan d ard-amplitude generator out p ut via
α 50- Ω cab le to t h eCH 1 O RΧ in pu t conn ector .
VER TICA L
2 m V
5 m V
10 m V
20 m V
50 m V
0 .1 V
0 .2 V
0 .5 V
1 V
2 V
5 V
10 mv

5

4 .90 to 5 .10
20 m V 4

3 .92 to 4 .08
50 m V 5

4 .90 to 5 .10
0 .1 V

5

4 .90 to 5 .10
0 .2 V

Ι

4
0 .5 V

Ι

5
10 V Ι 5
20 V

Ι

4
d . R epeat part b u
sing t h e C h annel 2 co n trols .
3 .92 to 4 .08
4 .90 to 5 .10
4 .90 to 5 .10
3 .92 to 4 .08
4 .90 to 5 .10
4 .90 to 5 .10
3 .92 to
4
.08
2 . C h ec k P ositio n
R
a
n ge
b . C HE C K -Deflection accu racy is wit h in t he limits given

α ,
Set :
i n Table 4-2 fo r eac h CH 1 V O L TS/DI V switc h setti
n g
a
n
d
corres p onding sta nda r d-am p litude signal . Wh en at t
h
e 20-

V O L
TS/DI V
(bot
h )

50 m V
m VV O L TS/DI V switc h setting, rotate t h e C H 1
V
O
L TS/DI V
AC-G
N D-DC
(
b ot h )

AC
V ariable control f u lly cou
n
tercloc
k
wise and C
HE C K t h at t h e
dis p lay decreases to
2 divisions
or less .
T hen r et u rn t he C H
1 V O L TS/DI V V aria b le control to t he CA Ld etent and co
n -

b . Set t
h
e
generator to produce α 0 .5- V sta n da r d-ampli-
tin u e wit h t he 50-m V check .

tude
signal .

Tektronix 2235 Specifications

General

Bandwidth	100 MHz
Channels	2
Vertical Sensitivity	2 mV/div to 5 V/div
Maximum Input Voltage	400 V (DC + AC peak)
Rise Time	3.5 ns
Vertical Resolution	8 bit
Input Impedance	1 MΩ || 20 pF
Power Requirements	90 to 250 V AC, 48 to 440 Hz
Trigger Modes	Auto, Normal, Single
Display	CRT
Weight	17 lb (7.7 kg)