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Tektronix 454A User Manual

Tektronix 454A
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di agr ams
.
E
ac
h
mai n
ci r c
u
i t i s
assi gne
dzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
±
ser i es
of
com
p
o-
TA
BLE
4- 2
nent
n
u
m
b
er s
.
Tabl e
4- 1
l i st s t
h
e
mai n
ci r cui t s
i n t
h
e
454
an
d
t
h
e
ser i es
of
comp
onent
number s
assi gne
d
t o
eac
h
.
Wi r i ng
Col or
Co
d e
I m
p or t ant vol t ages
an
d
wavef or ms
ar e
al so
s
hown
on
t
h
e
di agr ams
T
h
e
Su
pp
l y
or
B
ac
k
gr o
u
n d
g
p or t i ons of
t
h
e
ci r c
u
i t
mount e
d
¿·
ci r cui t
boar ds
ar e
encl ose d
wi t
h
±
b
l ue
l i ne
.
F
unct i on
Col or
St r i
p
e'
TA
BLE
4- 1
Component
N
umber s
Com
p
onent
Nu
mber s
Di agr am
¿· Di agr ams
N
umber
Ci r cui t
M
ai
n
t enance- 454
/
R
454A
- 12
vol t
V
i ol et
B
l ac
k
+12
vol t
R
ed
B
l ac
k
+75
vol t
R
ed
B
r own
+150
vol t
R
e
d
Or ange
C
h
assi s
Gr ound
B
l ac
k
Saf et y
Gr o
u
n d
Gr een
Yel l ow
AC
( i nt er nal )
Gr ay
2
F
oot not e
3
Bu
l b
F
i l ament s
r
¿É·
F
oot not e
3
1
I f
mor e
t
h
a
n
one
st r i
p
e a
p
p
ear s
¿À
± l ea
d
,
ext r a
st r i pes
ar e f or
l ea
d
1
-
99
1
C
h
annel
1
V
er t i cal
P
r eam
p
i
d
ent i f i cat i on
¿· ³
( f or ci r c
u
i t
t r aci
n
g)
.
100
-
199
2
C
h
annel 2
V
er t i cal
P
r eam
p
200
-
299
3
V
er t i cal
Swi t c
h
¯
nq
Z
See
W
A
RN
I
N
G
n
ot e
co
n
cer
n
i
n
g
power - cor d
col or
code
.
300
-
499
4
V
er t i cal
O
u
t
p
ut
Am
p
l i f i er
3
l
st r i pes
f or
l ead
i dent i f i cat i o
n
¿·
1
³
( f or
ci r cui t
t
r
aci
n
g)
.
500
-
599
5
Tr i gger
P
r eam
p
600
-
699
6
Tr i gger
Gener at or
700
-
799
7
Swee
p
Gener at or
WA
RN
1
G
800
-
899
8
Tr i gger
Gener at or
900
-
999
9
Swee
p
Gener at or
T
h
i s
col or
co
d
e
±ÁÁ
/
¯
es
t o
l eads
wi t
h
i n t
he
454
1000
-
1099
11
H
or i zont al
Ampl i f i er
¿·
/
¥
.
Col or
code
of
t
h
e
AC
power
cor
d
i s
:
1100
-
1199
13
P
ower
S
u
pp
l y
B
l ac
k
L
i ne
1200
-
1269
14
P
ow
er Di st r i
b
ut i on
Wh
i t e
N
e
u
t r al
1270
-
1299
15
Cal i br at or
1300
-
1399
16
Axi s
Am
p
l i f i er
Gr een
Saf et y
ear t
h
( gr o
u
nd)
1400-
1499
17
C
R
T
Ci r c
u
i t
R
esi st or
Col or
Co
d
e
.
·
a
d
di t i on t o
t
h
e b
r own
compo-
si t i on
r esi st or s,
some
met al - f i l m
r esi st or s
( i
d
ent i f i abl e
by
t
h
ei r
gr ay
bo
d
y
col or )
an
d some
wi r e- wo
u
n
d
r esi st or s
Swi t c
h
W
af er
I
d
ent i f i cat i on
.
Swi t c
h
waf er s
s
h
own
¿·
t
h
e
(
Å
s
ű™³
l i g
h
t
b
l
u e
or
gr ay- gr een)
ar e use
d
i n t
h
e
454
.
T
he
di agr ams
ar e
co
d e
d
t o
i n
d
i cat e
t
h
e p
osi t i on
of
t
h
e
waf er
i n
r esi st ance val ues
of
wi r e- woun
d
r esi st or s
ar e
p
r i nt e
d
¿·
t
h
e
t
h
e
com
p
l et e
swi t c
h
assembl y
.
T
h
e n
u
m
b
er e
d
por t i on
of
bo
d y of
t
h
e
com
p
onent
.
T
h
e
r esi st ance
val
u
es
of
com
p
o-
t
h
e
co
d e
r ef er s
t o
t
h
e
waf er
number
co
u
nt i ng
f r om
t
h
e
si t i on
r esi st or s
an
d
met al - f i l m
r esi st or s
ar e col or - cod
ed
¿·
f r ont ,
or
mo
u
nt i ng
en
d of
t
h
e
swi t c
h
,
t owar
d
t
h
e
r ear
.
T
h
e
t
h
e
com
p
onent s
wi t
h
col or - co
d
e
( some
met al - f i l m
r e-
l et t er s
F
an
d
R
i n
d
i cat e
w
h
et
her
t
h
e f r ont
or r ear
of
t
he
si st or s
may h
ave
t
h
e
val
u
e
pr i nt e
d
¿·
t
h
e
body)
.
T
h
e
col or -
waf er
p
er f or ms
t
h
e
p
ar t i c
u
l ar
swi t c h
i ng
f unct i on
.
F
or
ex-
co
d e
i s
r ea
d
st ar t i ng
wi t
h
t
h
e
st r i
pe
near est
t
he
en
d
of
t
h
e
am
p
l e,
±
waf er
d
esi gnat ed
2 R
i n
d
i cat es
t
h
at
t
h
e
r ear
of
t
h
e
r esi st or
.
Com
p
osi t i on
r esi st or s
h
ave
f our
st r i
p
es
w
h
i c
h
con-
secon
d
waf er ( f r om
t
h
e
f r ont )
i s
u
se
d
f or
t
h
i s
p
ar t i c
u
l ar
si st
of
t
É¿
si gni f i cant
f i gur es,
±
mul t i
p
l i er
an
d
± t ol er ance
swi t c
h
i ng
f unct i on
.
val
u
e
( see
F
i g
.
4- 1)
.
M
et al - f i l m
r esi st or s
h
ave
f i ve
st r i
p
es
consi st i ng
of
t
h
r ee
si gni f i cant
f i gur es,
±
m
u
l t i
p
l i er
an
d
±
t ol er ance val ue
.
Ci r cui t
B
oar
d
s
.
F
i gs
.
8- 1
t
h
r oug
h
8- 16
s
h
ow
t
h
e
ci r cui t
boar
d
s
u
se
d
i n
t
h
e
454
.
F
i g
.
4- 4
s
h
ows
t
h
e
l ocat i on
of
eac
h
boar
d wi t
h
i n
t
h
e
i nst r ument
.
E
ac
h
el ect r i cal
compo-
nent
¿·
t
h
e
boar ds
i s
i
d
ent i f i ed
by
i t s
ci r cui t
n
u
mber
.
T
h
e
ci r cui t
boar
d
s
ar e
al so
out l i ned
¿·
t
h
e
d
i agr ams
wi t
h
±
bl ue
l i ne
.
T
h
ese p
i ct ur es,
used al ong
wi t
h
t
h
e
d
i agr ams,
ai
d
i n
l ocat i ng
t
h
e
com
p
onent s
mount e
d
¿·
t
h
e
ci r cui t
boar ds
.
Ca
p
aci t or
M
ar
k
i ng
.
T
he
cap aci t ance
val
u
es
of
common
di sc
ca
p
aci t or s
an d smal l
el ect r ol yt i cs
ar e
mar
k
e
d
i n
mi cr o-
f ar a
d
s
¿·
t
h
e
si
d e of
t
h
e
com
p
onent
bo
d
y
.
T
h
e
w
h
i t e
cer -
ami c
cap
aci t or s
use d
i n t
h
e
454
ar e
col or
co
d
e
d
i n
pi co-
f ar a
d
s
usi ng ±
mo
d
i f i e
d
co
d e
( see
F
i g
.
4- 1)
.
W
i r i ng
Col or - Code
.
i
n
s
u
l at e
d
wi r es an d ca
b
l es
u
sed
i n
Di o
d
e
Col or
Cod
e
.
T
h
e cat h o
d
e
en
d of eac
h
gl ass
e
n
-
t
h
e
454
ar e
col or - co d
e
d
t o
f aci l i t at e
ci r cui t t r aci ng
.
Tabl e
case
d
di ode
i s
i n
d
i cat e
d
by
± st r i
p
e, ±
ser i es
of
st r i
p
es
or ±
4- 2
gi ves
t
h
e wi r i ng col or
co
d e used
i n t
h
i s
i nst r ument
.
dot
.
F
or
most
si l i con
or
ger mani
u
m
d
i o
d es
wi t
h
±
ser i es
of
4-
3

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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