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Tektronix 2213 Service Manual

Tektronix 2213
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O
p
erating
Instructions-2213
Service
2-6
DC-All
com
p
onents
of
t
he
signal
are
cou
p
led
to
t
h
e
trigger
circ
u
itry
.
T
h
is
position
is
usef
u
l
for
d
isplaying
low-frequency
or
low-repetition-rate
signals
.
DC=
10-
E
xternal
trigger signals
are
atten
u
ate
d
b
y
α
factor of 10
.
15
SO
UR
C
E
Switc
h
-Determines
t
he sou
rce
of
t
he
trigger
signal
t
h
at
is
couple
d to the
in
p
ut of
t
he
trigger
circuit
.
ΙΝΤ
-
Permits
triggering
on
signals
t
h
at
are
a
p
plie
d
to
t
h
e
CH
1
O
R
Χ
and
CH
2
O
R
Υ
input
con-
nectors
.
T
h
e
so
u
rce
of
t
he
internal
signal
is
selected
by
t
he
ΙΝΤ
switc
h
.
L
I
NE
-
P
rovi
d
es
α
triggering
signal
from
α
sam
p
le
of
t
h
e
ac-power-source
waveform
.
T
h
is
trigger
so
u
rce
is
useful
w
hen
c
h
annel-in
put
signals
are
time
related
(m
u
lti
p
le
or
su
b
m
u
ltiple)
to
t
h
e
fre
q
uency
on
the
powe
r
-source-in
pu
t
voltage
.
ΕΧΤ
-
Permits
triggering
on
signals
applied to
t
he
ΕΧΤ
I
NPU
T
connector
.
3397-07
F
ig
u
re
2-6
.
T
r
igge r
co
n
t
r
ols,
conn
ecto
r
,
and
i
nd
icato
r
.
2
Ιϊ
ΙΝΤ
Switc
h
-Selects
t
he
sou
r
ce
of
t h e
triggering
signal
w
h
en
t
he
SO
UR
C
E
switc
h
is
set
to
ΙΝΤ
.
CH
1-T
h
e
signal
a
pp
lie
d to
t
h
e
C
H
1
O
R
Χ
in
put
connector
is
t
he sou
rce
of
t
h
e
trigger
sig
n
al
.
VERT
M
OD
E
-T
h
e
internal
trigger
source
is
determined
by
t
h
e
signals
selecte
d for
display
b
y
t
he
VER
TICA
L
M
OD
E
switch
es
.
CH
2-T
h
e
signal
a
pp
lie
d to
t
h
e
CH
2
O
R
Υ
input
co
nn
ector
is
t
h
e
source
of
t
h
e
trigger
signal
.
LEVEL
Control-Selects
t
he
amplit
u
d
e
p
oint
on
t
h
e
trigger
signal at
w
h
ic
h
t
h
e
swee
p
is
triggere
d
.
TR
IG'D
In
d
icator-T
h
e lig
h
t-emitting
d
io
d
e
(
LE
D)
illuminates
to
in
d
icate
t h
at
t
he
sweep
is
triggere
d
.
SL
O
PE
Switc
h
-Selects
t
h
e slo
p
e of
t
h
e
signal
t
h
at
triggers
t
h
e
sweep
.
(also
refe
r
to
T
V
Sign
al
Dis
p
lays
at
t
he
en
d of Section
2)
.
-
T-Sweep
is
triggere
d
on
t
he p
ositive-goi
n
g
portion of
t
h
e
trigger
sig
n
al
.
-
\--Sweep
is
triggere
d
on
t
he
negative-goi
n
g
p
ortio
n of
t
h
e
trigger
signal
.
M
OD
E
Switc
h
-Determines
t
he
trigger
mo
de for
t
h
e
sweep
.
A
U
TO-
P
ermits
triggering
on
waveforms
h
avi
n g
repetition
rates
of
at
least
20
H
z
.
Sweep
free-runs
in t
he absence of
an
a
dq
uate
trigger
signal
o
r
w
hen
t
he
repetition
rate
is
below
20Hz
.
T
h
e ra
nge of
t
he
TRIGG
ER
LEVEL
control
will
compensate
for
t
h
e
amplit
ude
variations
of
t
h
e
t
r
igger
signals
.
N
O
R
M
-Sweep
is
i
n
itiate
d
w
hen
an
adeq
u
ate
trigger
signal
is
ap
p
lied
.
In t h
e
absence
of
α t
r
igger
signal,
no
baseli
ne
trace
will
b
e
p
resent
.
Trigge
r
ing
on
television
lines
is
accomplis
hed
in t
h
is
mo
d
e
.
TV F
I
EL
D-
P
ermits
triggeri
n
g
on
televisio
n
field-
rate
sig
n
als
(refe
r
to
T
V
Signal Displays
at
t
h
e
end
of
Section
2)
.
V
A
R
H
O
L
DO
FF
Control-
P
rovi
des
co
n
tin
uou
s
con-
trol
of
h
oldoff
time
b
etween swee
p
s
.
Increases
t
he h
ol
d
off
time
by
at
least
α
factor of fou
r
.
T
h
is
control im
proves
t
h
e
ability
to
trigger
on
a
p
erio
d
ic
signals
(suc
h
as
complex
digital
wavefo
r
ms)
.
REV
N
O
V
1981

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Tektronix 2213 Specifications

General IconGeneral
BrandTektronix
Model2213
CategoryTest Equipment
LanguageEnglish

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