Tektronix 2235 User Manual

2 . P ress in t h eP O WER switc h butto
n
(on) and allow
t h e

3 . Pull out t he SE C/DI
V V aria b le k nob ( Χ 10) to ob tain
instrument to warm up or at least 20
minutes
.

swee p magnification
.
3
.
Ad j ust t h e Α I NT EN SITY control for desired dis p
lay

4 . Ad j ust t he H orizo
n
tal
P OSITIO N co n trol for p r ecise
b rig htness .

positioning of t h e
magnifie d d isplay .
4 . Ad ju st b ot h t he V ertical a nd
H orizontal P OSITIO N 5 . To calc u late t h e magnified
sweep s p eed , d ivide t h e
controls to center t he trace on t he scree n .

ΑSE C/DI V switc h setti ng b y 10 .
1 . O b tain α b aseline trace .
SIG N AL DIS PL
AY
2 . Apply α sig n al to eit h er
vertical-c han nel in p ut
connector and set t he VER TICA L
M
OD
E switc h to d isplay

2 . Select A L TH OR IZO N TA L M OD E . Ad j ust t he Α and
t he ch annel used . To display two
time-relate d input sig n al,

Β I NT EN
SITY controls for desired dis p lay b rig h tness .
use b ot h vertical-c h annel in p ut co n nectors and select
BOTH
VER TICA L M OD E ; t hen select eit h er ALT o
r
C
H
O
P,
depending on t he fre q uency of input sig n als .

3 . A dj ust t
h
e a pp
ro p riate chan nel P OSITIO N con trol and
t he
Α / Β
S
WP S EP control to d isplay t he Α trace ab ove t he
Β trace .
3 . Ad j ust
t h e Α I NT EN SITY control fo r d esire d d isplay
b rig
h
tness .
If t he dis p lay is not visi b le wit h t he I NT EN SITY
control at
mid r ange, p ress t h e BEAM F I N D push b utton and 4 . Ad j ust
t h
e
Α I NT EN SITY con trol as needed to ma ke
h old
it in w h ile ad j usti ng t he app ropriate V O L
TS/DI V

t
h
e
intensifie d zone disti n gu is hab le from t h e remainder of
switc
h
(es)
to reduce t h e vertical d isplay size . Ce n ter
t h
e

t h
e
display . Set t he ΒS E C/DI V switc h until t he intensified
compresse
d d isplay wit h in t he gratic u le area u
sing
t
h
e

zo
ne is t he desired lengt h .
V ertical
and H orizo n tal P OSITIO N control, t hen release
t h e
BEAM
F I N D pus h bu tton .
5 . Ad j ust
t h
e
ΒDE LAY TIME P OSITIO N co n trol to move
t he intensified
zone to cover t h at p ortion of t he Α t r ace t h at
4 . A dj ust
t h
e
Α T R IGG ER LEVEL con trol, if necessary, to

is to be
d isplayed on t he Β trace . T h e Β H O R IZO N TA L
o b tain α stable d
is p lay .

M
OD
E
may
b e used to dis p lay t he intensifie d portion of t he
Α Swee p .
5 . Set t he app ro
p riate V O L TS/DI V switc h es) and
rea dju st
t h
e
V ertical and H orizontal P OSITIO N co n trols to
ce
n
ter
t h
e
d is p lay wit h i n t h e gratic u le a r ea .
6 . Set
t heΑSE C/DI V switc h to d isplay seve r al cycles of
t he d is p layed
signal . T hen ad j ust t he F OC US control for t h e
best- d efined
display .
DELAY E D-S WEEP MEAS
UREMEN TS
1 . Obtai n α Signal Dis p lay .
O p e r ati ng I n structio n s-2235 Service
DELAY E D-S WEEP DISPL AY
1 . Obtain α Signal Dis p lay .
2 .
Select
A L T H OR IZO N TA L M OD E . A d ju st t he Α and
Β I N T EN SITY co n t r ols for desire d display brig htness .
M AG N I F I E D-S WEEP DIS PL AY
3 .
A d j ust t h e a pp ropriate chann el P OSITIO N control and
1 . O b tain α
Signal Dis p lay (see p receding instr u ctions) .

t he Α / ΒS WP S EP control to d is p lay t h e Α trace a b ove
t h
e
Β trace .
2 . Ad j ust t he Ho r izo n tal P OSITIO N
control to move t he
trace a r ea t h at is to b e magnified to t h e center of t
h
e
crt

4 . Ad j ust t h eΑ I N T EN SITY control as n ee d ed to ma
k
e
graticule (0
.5 divisio n on eac h side of t h e cen te r vertical

t he i n te n sifie d zone d isting u is h ab le from t
h
e remainde
r of
gratic
u le line) . C h ange t he Α SE C/DI V switc h
setting
as

t he dis p lay . Set t he ΒSE C/DI V switc h un
til
t
h
e
inte n sifie d
re q uire
d .

zo ne is t he desired le n gt h .

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English