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Tektronix 2213 Service Manual

Tektronix 2213
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Operati
ng
Instructions-2213
Service
O
PER
ATI
N
G
CO
N
SID
ER
ATIO
N
S
T
h
e
following
basic
operati
ng
informatio
n
and
tec
h
-
n
i
qu
es
s h
oul
d b
e
consi
d
ere
d before
attem
p
ting
any
meas
u
rements
.
G
R
ATIC
ULE
T
h
e
gratic
u
le
is
internally
ma
rk
e
d
on
t
h
e
facep
late
of
t
he
crt
to
enable
accu
rate
meas
u
reme
n
ts
wit
h out p
arallax
error
(see
F
igure
2-8)
.
It is
mar
k
e
d
wit
h
eig
h
t
vertical
and
te
n h
orizontal
ma
j
or d
ivisio
n
s
.
Each
ma
j
or
divisio
n
is
d
ivi
d
e
d
into
five
su
b
d
ivisions
.
T
h
e
vertical
d
eflection
factors
and h
orizontal
timing
are
cali
b
rated
to
t
he
graticule
so
t
hat accu
rate
measurements
can
be
ma
d
e
d
irectly
f
r
om
t
he
crt
.
Also,
perce
ntage
mar
k
ers
for
t
h
e
meas
u
rement
of
rise
an
d
fall
times
are
locate
d
on
t
he
left
side
of
t
h
e
graticule
.
2-
8
G
R
O
UN
DI
N
G
T
h e
most
reliable
signal
measurements
are
ma
d
e
w
h en
t
he
2213
an
d
t
he unit
un
d
er test
a
r
e
con
necte
d
by
α
com-
mo
n reference
(groun
d
lead), in
a
dd
ition
to
t
he
signal
lea
d
or
p
ro
b
e
.
T
h e
probe's grou nd
lea
d p
rovi
d
es
t
he b
est
g
r
oun
d
ing
met
h
od
for
signal
interconnection
an
d
e
nsu
r
es
t
he
maxim
u
m
amount
of
signal-lea
d sh
iel
d
ing
in t
he prob
e
ca
b
le
.
Α
se
p
arate
groun
d
lead
can
also
b
e
connected
from
t
he
unit
un
d
er test
to
t
h
e
oscillosco
p
e
G
N
D
con
n
ector
locate
d
on
t
h
e
front
p
anel
.
1ST
O
R
LEF
T
C
EN
T
ER
11TH
O
R R IGH
T
VER
TICA
L
VER
TICA
L
VER
TICA
L
G
R
ATIC
ULE
GR
ATIC
ULE GR
ATIC
ULE
L
I
NE
L
I
NE
L
I
NE
R
IS
E
AND
C
ENTER
F
ALLTIME
H
O
R
IZO
N
TA
L
M
E
AS
UREMEN
T
G
R
ATIC
ULE
PERC
EN
TAG
E
L
I
NE
M
A
RKER
S
4115-16
F
ig
ur
e
2-8
.
Gratic
u
le
meas
u
re
m
e n t
m
ar
k
i
n gs
.
SIG
N
A
L
CO
NNE
CTIO
N
S
Generally,
probes
offer
t
h
e
most
convenie
n t
means
of
connecti
ng
an
inpu
t
signal
to
t h
e
instrument
.
T
h
ey
are
s
h
iel
d
e
d to
prevent p
ic
ku
p
of
electromagnetic
interference,
a
n
d
the
sup
p
lie
d
10
Χ
prob
e
offers
α
h
ig
h
in
put im
p
edance
t
hat
minimizes
circ
u
it
loading
.
T
h
is
allows
t h e ci
r
cuit
u
n
d
er
test
to
o
p
erate
wit
h
α
mi
n
imum
of
c
h
ange
from
its
n
ormal
con
d
itio
n
as
measurements
are
b
eing
ma
de
.
Coaxial cab
les
may
also
be u
se
d
to
connect
signals
to
t
he
in
p
u
t
connectors,
but
t h
ey
may
have
consid
erable
effect
on
t
he
accuracy
of α d
isplaye
d
waveform
.
To
maintain
t
he
original
frequency
c
h
aracteristics
of
an
applied
signal,
only
h
ig
h
-
q
uality,
low-loss
coaxial
cables
s
h
ould
be u
se
d
.
Coaxial cab
les s
h
oul
d
be
terminate
d
at
bot
h
en
d
s
in
t
h
eir
ch
aracteristic
im
p
ed
a
nce
.
If
t
h
is
is
not
p
ossi
b
le,
use
suitable
im
p
eda
n
ce-matc
h
ing
d
evices
.
I
NPU
T
CO
UPL
I
N
G
CA
P
ACITO
R
PRE
C
H
A
R
GI
N
G
Wh
en
t
he
in
put
cou
p
li
ng
switc
h
is
set
to
GN
D,
t
he
i
n
put
signal
is
connected
to
groun
d
t
h rough
t
h
e in
p
ut coupling
capacitor
in
series
wit
h
α 1-
ΜΩ
resistor
to
form
α
p
re-
ch
arging
networ
k
.
T
h
is
networ
k allows
t
h
e in
p
ut
coup
ling
cap
acitor
to c
h
arge
to
t
he average d
c-voltage
level
of
t
he
signal
ap
p
lie
d
to
t h e
probe
.
T
h
us,
any
large
voltage
tra
n
sients
t h
at
may
acci
d
en
tally
be
ge
nerated
will
not
be
applie
d
to
t h e
am
p
lifier
in
pu
t
w
h
en
t
he
inp
u
t
cou
p
ling
switch
is
move
d
from
GND
to
AC
.
T
h
e p
rec
h
arging
n
et-
wor
k
also
p
rovi
d
es
α
meas
u
re
of
p
rotection
to
t
h
e
external
circuitry
by
re
d
ucing
t
he cu
rrent
levels
t
h
at
can
be d
rawn
from
t
he extern
al
circ
u
itry
during capacitor c
h
arging
.
T
h
e
following
p
roce
dure
s
hould
be
used
w
h
enever
t
he
probe
tip
is
connecte
d to α
signal
source h
avi
ng
α
d
iffe
r
ent
d
o
level
t
h
an
t
h
at
previously app
lied,
es
p
ecially
if
t
he d
c-
level
differe
nce
is
more
t
h
an
10
times
t
he
V
O
L
TS/DI
V
switc
h
setting
:
1
.
Set
t
h
e
AC-G
N
D-DC
switch to
G
ND
before
con-
necting
t
h
e
p
robe
ti
p
to α
signal
source
.
2
.
Insert
t
h
e
pro
b
e ti
p
into
t
he
oscillosco
pe
GND
connector
.

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Tektronix 2213 Specifications

General IconGeneral
BrandTektronix
Model2213
CategoryTest Equipment
LanguageEnglish

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