Tektronix 2235 User Manual

Ad ju stme n t Pr ocedu r e-2235 Service
E quipment R eq u i r ed (See Ta b le 4-1) :
Calibration Generator (Item 1)

10 Χ Attenu ator (Item 7)
L evele d Sine- W ave Generator (Item 2)

A d ap ter (Item 9)
50- Ω BN C Ca b le (Item 4)

Screw d river (Item 13)
50- Ω BN C Termination (Item 5)

L ow-Capacitance Alignment Tool (Item 14)
Dual-In p ut Cou p ler (Item 6)

10 ΧP ro be (incl ud e d wit h instr ument)
I N ITIA L CO N T R O L S E TTI N GS

PR OC E D URE ST EP S
V ertical ( B ot h C ha n nels)
VER TICA L
See

AD JUST MEN T L OCATIO N S
1

and

AD JUST MEN T L OCATIO N S
2
at t he b ac k of t h is man u al fo r locations of test points and ad j ustments .
P OSITIO N

M id r ange

1 . Ad j ust Atte n uator Ste p B ala n ce ( R 10 and R 60)
VER TICA L M OD E

C H 1
BW L I M IT

On (button in)

α . P osition t he trace on t he cente r h orizo n tal graticule
V O L TS/DI V 50 m V line u sing t he C h annel 1 P OSITIO N control .
V O L TS/DI VV aria b le

CA L d etent
I NVER T

Off ( bu tto n ou t)
AC-G N D-DC

G ND

b . Set t he C H 1 V O LTS/DI V switc h to 5 m V .
H o
r
izo
n
tal

c . AD JU ST-C h 1 Ste p ΒαΙ ( R 10) to set t he trace on t he
P OSITIO
N

M
idra
n
ge

cen ter h orizo n tal graticule li n e .
H
O
R IZO N TA L M OD E

Α
Α SE C/DI
V
0 .5 ms

d . Set t h e C H 1 VO L TS/DI V switc h to 50 m V .
S E C/DI
VV
ariable

CA
L
detent
Χ
10
M agnifier

Off ( k
nob
in)
e . R ep eat p arts α t hrough d un til t h ere is no trace sh ift
w hen c han ging t he C H 1 V O L TS/DI V switc h from 50 m V to
5 m V .
V A RH O L DO FF

NO RM
M o de

Ρ - Ρ A U TO
S L O PE

O U T

f . Set t he VER TICA L M OD E switc h to C H 2 .
LEVEL

M idrange
Α
&
Β ΙΝΤ

VER T M
OD
E
Α SOUR C E

ΙΝΤ

g . R ep eats p arts α t h ro u gh e for C h a nn el 2, a dju sti n g
Α ΕΧΣ CO UPL I N G

AC

C h 2 Step ΒαΙ ( R 60) i n p art c .
Α T R IGG ER

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)