Tektronix 2235 User Manual

V ERT M ODE-T he inte r nal tr igge r sou r ce is dete r-
mi ned by t he signals selecte d for d isplay by t he
VER TICA L M OD E switc hes .
CH 2-T he sig n al applied to t he C H 2 OR Υ i np ut
co nn ecto r is t he source of t h e tr igger sig n al .
Α ΕΧΤ CO UPL I N G Switc h -Determines t h e met h od
used to couple external signals to t he Α Trigger circ u it
from t he ΕΧΤ I NPU T con n ecto r .
AC-Sig n als above 60Hz are capacitively co u ple d
to t he inp u t of t h e Α Trigger circ u it . Any d o compo-
nents are b loc k ed , and signals below 60 Hz a r e
atte nuated .
DC-All com p onents of t he signal are co u ple d to
the inp u t of t h e Α Trigge r circ u itry . T h is position is
useful fo
r
dis p layi
ng
low-frequency o r low-repeti-
tion-rate sig n als .
DC
-
10-External trigge r sig n als a r e atte n uate d
by α facto r of 10 . All com ponen ts of t he sig n al are
co u ple d to t he input of t h e Α Trigger circ u it .
ΕΧΤ I NPU T Co n nector- P rovi d es α means of intro-
d u ci ng external signals into t he Α Trigger circ u it
t h ro ugh t he Α ΕΧΤ CO UP L I N G switc h .
Β TR IGG ERLEVEL Control-Selects t h e amplit ud e
p oint on t he trigge r sig n als at w h ich the swee p is t r ig-
ge r e d .
W
hen fully cloc k wise ; ( βR UN SA F T ER DL Y),
t h eΒ Sweep circuit r uns im m ed iately following t he de-
lay time selected by t he Α S E CIDI V switc h and t he
ΒD EL AY
TIME POSITIO N con t
r
ol .
R efer to Figu r e 2-7 fo r locatio n of item 35 .
O p e r ati n g Inst r uctions-2235 Service
RE A R P A NEL
ΕΧΤ Z-AXIS Con n ecto r -P r ovides α means
of con-
necting
exte rn al sig n als to t h
e Z-axis a
m
plifier to in-
tensity mo du le t h e crt d isplay . Applied signals
do not
affect d isplay wa υesh ape . Signals wit h
fast rise times
and fall times provide t he most abru p t intensity
ch ange, a n d α 5 V ρ - ρ signal will pro d uce noticeable
mo d ulation . T h e Z-axis signals must be
time-related
to t he d isplay to obtain
α stable pr ese n tation on t he
c r t .
CAUTION
1
0
H
CONTINUED FIRE PROTECTION
OF
PL AC Ε O NL Y VV' ΤΗ SP ECI F I E D
TYPE ANDRAT E D
FO$
Ε . σΙ
$CU NNE C7
P OWER I NPU T BEF O RE REP LACI N G FUSE
L I N E VO L TAG E R ANG E

FUSE 2 50 V
- ττσναε
IA
σα $ ιαω
ιρ
NOT
κεΙ V
ευ ~ εF R εε _,,
5 ΕR V
:CIN5 ΤΟ
o~A LF I FO
Ρε RS σΝΝει
POWER
Μακ W ATTS 40
ΜΑ % 4 Α 70
FRE
O 48 - 440 Ητ
ιΧΓ Z AXIS
INPUT
ισκιτ . POSITIVE LOU
ΙΝΡυΤ DECREASES
ΙΝτεΝ S ιτΥ
5 40 L 7 Ρ - Ρ C
Α
U$ E$
4OTIC EA BLE
~ : MODULATION
AT
ΝσαΜαι INTENSITY
~ .
ιΙΙωσ . - ., . , κα

53 Ο4 PEAK
CAUTION
`' TO AVOID FLECTRit,
S H O L K, THE P O W ER
CO R σ Ρ R στε [ ΤΙ 4Ε
GROUNDING CONUUCTUF .
'OUST
BE CONNECTED
L
fl coa u w o
V Α RH O L
DO
FF
cont
r ol-P r
ovides co
n
ti
n
uous co n trol
of
h
a
λ
doff
ti m
e between swee p s . I nc r eases t h e hol d off

α 2 ο 7- οα
time by at least
α factor of 10 .
T h
is contro l improves
t he ab i l ity to trigger
on
aperiodic sig n
als (suc
h
as co
m -
plex digital
wa
υ efo rm
s) .

F ig u r e 2-7 . R ear- p anel conn ector .

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English