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Tektronix 454A User Manual

Tektronix 454A
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I nt r o
d
uct i on
t o
t
h
ezyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
–
Axi s
Ampl i f i er
ci r c
u
i t
t o b
l an
k
o
u
t t
h
e
b
et wee
n
-
c
h
annel
swi t c
h
i ng
t r ansi e
n
t s
w
h
en
i n
t
h
e c
h
o
pp
e
d
mo
d e of
T
h
i s
sect i on of
t
h
e
manual
cont ai ns
±
d
escr i pt i on
of
t
h
e
oper at i on
.
‘
t r i gger -
p
i c
k
of f
net wor
k
at
t
h
e
out
p ut of
t
h
e
ci r c
u
i t r y
u
se
d
i n t
h
e
454
‘
Osci l l osco
p e
.
T
h
e d
escr i pt i on
V
er t i cal
Swi t c
h
i ng
ci r c
u
i t
p
r ovi
d
es
±
sampl e
of
t
h
e
d
i s-
b
egi ns
wi t
h
± d
i scussi on
of
t
h
e
i nst r
u
ment
u
si ng
t
h
e b
asi c
bl oc k
d
i agr am
s
hown
i n
F
i g
.
3- 1
.
T
h
en
eac
h
ci r cui t
i s
d
es-
pl ayed
si gnal ( s)
t o
t
h
e
T
r
i gger
P
r eam
p
ci r c
u
i t
.
cr i be
d
i n
d
et ai l
usi ng ± d
et ai l e
d bl oc
k
d
i agr am
t o
s
h
ow
t
h
e
i nt er connect i ons
b
et ween
t
h
e
st ages
i n
eac
h
ma
j
or
ci r cui t
T
h
e
n
d
t
h
e
r el at i ons
h
i
p
of
t
h
e
f r ont -
p
anel
cont r ol s t o
t
h
e i n
d
i -
out
p ut of
t
h
e
V
er t i cal
Swi t c
h
i
n
g
ci r c
u
i t
i s
µ¿·
-
a
d
u
al
st ages
.
nect e d t o
t
h
e
V
er t i cal
O
u
t
p ut
Am
p
l i f i er
t
h
r o
u
g
h
t
h
e
Del ay-
L
i ne
Dr i ver
st age
an
d
t
h
e
Del ay
L
i ne
.
T
h
e
V
er t i cal
O
u
t
p
u
t
Am
p
l i f i er
ci r c
u
i t
p
r ovi
d
es
t
h
e
f i nal
am
p
l i f i cat i on
‘
com
p
l et e
b
l oc
k d
i agr am
i s
l ocat e
d
i n t
h
e
Di agr ams
f or
t
h
e
si gnal
b
ef or e
i t i s
appl i e
d
t o
t
h
e
ver t i cal
d
ef l ect i on
sect i on
at
t
h
e
r ear
of
t
h
i s
manu
al
.
T
h
i s
b
l oc
k
d
i agr am
s
h
ows
pl at es
of
t
h
e
C
R
T
.
T
h
i s
ci r c
u
i t
i ncl
ud
es
t
h
e B
A
N
D
W
I DT
H
-
t
he
over al l
r el at i ons
h
i
p b
et ween
al l
of
t
h
e
ci r c
u
i t s
i n
t
h
i s
BEAM
F
I
N
D
ER
swi t c
h
w
h
i c
h
l i mi t s
t
h
e
ver t i cal
b
an
d
wi
d
t
h
i nst r ument
.
Com
p
l et e
sc
h
emat i cs
of eac
h
ci r cui t
ar e
al so
t o
a
b
out
20
mega
h
er t z
i n t
h
e
up
p
osi t i on,
and
p
r ovi
d
es
f
u
l l
gi ven
i n t
h
e
Di agr ams
sect i on
.
R
ef er
t o
t
h
ese
d
i agr ams
b
an d
wi dt
h
i n t
h
e
FULL
posi t i on
.
Wh
en
p
r essed
d
own,
t
h
e
t
h
r oug
h o
u
t t
h
e
f ol l owi ng
ci r cui t
d
escr i
p
t i on
f or
el ect r i cal
ver t i cal
d
ef l ect i on
( al ong
wi t
h
t
h
e
h
or i zo
n
t al )
i s
compr esse
d
val
u
es
a
n
d
r el at i ons
h
i
p
s
.
wi t
h
i n t
h
e
vi ewi ng
ar ea
t o
ai
d
i
n
l ocat i ng
an
over scanne
d or
of f - scr een
d
i s
p
l ay
.
S
E
CTI O
N
3
CI
R
C
U
I T
D
E
SC
R
I
P
TI O
N
C
h
ange
i nf or mat i on,
i f
any,
af f ect i ng
t
h
i s
sect i on
wi l l
be
f ound
at
t
he
r
ear
of
t
h
i s
man
u
al
.
BL
OC
K
DI AG
R
A
M
454
‘
/
R
454A
T
h
e
Tr i gger
P
r eamp
ci r cui t
pr ovi
d
es
ampl i f i cat i on
f or
Gener al
t
h
e
i nt er nal
t r i gger
si gnal
sel ect ed
b y
t
h
e
T
R
I GG
ER
swi t c
h
.
T
h
i s
i nt er
n
al
t r i gger
si gnal
i s
sel ect e
d
f r om
ei t
h
er
t
h
e
T
h
e
f ol l owi ng
d
i sc
u
ssi on
i s
p
r ovi
d
e
d
t o
ai
d
i n
u n d
er -
C
h
an
n
el
1
V
e r
t i cal
P
r eamp
ci r c
u
i t
or
t
h
e
V
er t i cal
Swi t c
h
i ng
st an
d
i ng
t
h
e
over al l
conce
p
t
of
t
h
e
454
‘
b ef or e
t
h
e i n
d
i vi -
ci r c
u
i t
.
Out p
u
t
f r om
t
h
i s
ci r c
u
i t i s
connect e
d t o
t
he
‘
d
u
al
ci r c
u
i t s
ar e
d
i scusse
d
i
n
d
et ai l
.
‘
basi c
b
l oc
k
d
i agr am
Tr i gger
Gener at or
ci r c
u
i t ,
’
Tr i gger
Gener at or
ci r cui t
an
d
of
t
h
e
454
‘
i s
s
hown
i n
F
i g
.
3- 1
.
Onl y
t
h
e
basi c
i nt er con-
t
h
e
H
or i zont al
Ampl i f i er
ci r cui t
( f or
§
-
¥ mo
d e
o
p
er at i on)
.
n
ect i o
n
s
b
et ween
t
h
e i n
d
i vi
d
u
al
bl oc
k
s
ar e
s
hown
on
t
h
i s
d i agr am
.
Eac
h b
l oc
k
r e
p
r esent s
±
ma
j
or
ci r cui t
wi t
h
i n
t
h
e
i nst r ument
.
T
h
e
num
b
er
on
eac
h
bl oc
k
r ef er s
t o
t
h
e
com-
T
h
e
‘
a
nd
’
Tr i gger
Ge
n
er at or
ci r c
u
i t s
p
r o
d
u
ce an
o
u
t -
pl et e
ci r cui t
di agr am
w
h
i c
h
i s
l ocat e
d
at
t
h
e
r ear
of
t
h
i s
p
u
t
pul se
w
h
i c
h
i
n
i t i at es
t
h
e
swee
p
si gnal
p
r o
d
u ce
d b y
t
h
e
manu
al
.
‘
or ’
Swee p Ge
n
er at or
ci r c
u
i t s
.
T
h
e i n
p ut
si gnal
t o
t
h
e
‘
an
d
’
Tr i gger
Gener at or
ci r c
u
i t s
can
be
i n
d
i vi d
u
al l y
sel ect e
d
f
r
om
t
h
e
i
n
t er
n
al
t r i gger
si gnal
f r om
t
h
e
Tr i gger
Si gnal s
t o
b
e
d
i s
p
l aye
d
on
t
h
e
C
R
T
ar e
a
pp
l i e
d
t o
ei t
h
er
P
r eam
p
ci r c
u
i t ,
an
ext er nal
si g
n
al a
pp
l i e
d
t o
t
h
e
• §¤ T
R
I G
t
h
e
I
NPU
T C
H
1
O
R
§
an
d
/ or
t
h
e
I
NPU
T
C
H
2
O
R
¥
I
NPU
T
connect or ,
or ±
sam
p
l e
of
t
h
e
l i ne
vol t age a
pp
l i e
d t o
connect or
.
T
h
e i n
p ut
si gnal s
ar e
t
h
en
am
p
l i f i e
d
b y
t
h
e
t
h
e
i nst r
u
ment
.
Eac
h
t r i gger
ci r c
u
i t
cont ai ns
l evel ,
sl o
p
e,
C
h
annel
1
V
er t i cal
P
r eam
p
an
d
/ or
t
h
e
C
h
annel 2
V
er t i cal
co
u
pl i ng
a
nd
so
u
r ce
cont r ol s
.
P
r eam
p
ci r c
u
i t s
.
E
ac
h
V
er t i cal
P
r eam
p
ci r c
u
i t
al so
i ncl
u
d es
se
p
ar at e
ver t i cal
d
ef l ect i on
f act or ,
p
osi t i on,
i nput
co
u
pl i ng,
gai
n
,
var i abl e
at t e
nu
at i o
n a
nd
bal ance
cont r ol s
.
‘
t r i gger -
T
h
e
‘
Sweep
Gener at o
r
ci
rc
u
i t
pr o
d
u
ces
±
l i near
saw-
pi c
k
of f
st age
i
n
t
h
e
C
h
annel
1
V
er t i cal
P
r eam
p
ci r c
u
i t
t oot
h o
u
t
pu
t
si gnal
w
h
e n
i ni t i at e
d
by
t
h
e
‘
Tr i gger
Gener a-
s
u
p
p
l i es
±
sam
p
l e
of
t
h
e
C
h
annel
1
si gnal
t o
t
h
e Tr i gger
f
or
ci r c
u
i t
.
T
h
e
sl ope of
t
h
e
sawt oot
h
p
r o
d
uce
d b
y
t
h
e
‘
P
r eamp
ci r c
u
i t
o r
t
h
e
C
H
1
O
U
T
co
n
nect or
.
T
h
e
C
h
annel 2
Swee
p
Gener at or
ci r cui t
i s
cont r ol l e
d
by
t
h
e
‘
¤™œ•
/ DI
V
V
er t i cal
P
r eam
p
cont ai ns
an
i nver t
f eat
u
r e
t
h
at
p
er mi t s
i n-
swi t c
h
.
T
h
e
o
p
er at i ng
mo
d
e of
t
h
e
‘
Swee
p
Gener at or
ci r -
ver si o
n
of
t
h e
C
h
an n
el
2
d
i s
p
l ay
on
t
he
C
R
T
.
T
h
e
o
u
t p
u
t
of
c
u
i t
i s
cont r ol l ed b y t
h
e
‘
S
WEEP
M
OD
E
swi t c
h
.
I n
t
h
e
b
ot
h
V
er t i cal
P
r eam
p
ci r c
u
i t s
i s
connect e
d t o
t
h
e
V
er t i cal
A
U
TO
T
R
I G p
osi t i on,
t
h
e
a
b
sence
of
an
a
d e
q
uat e
t r i gger
Swi t c
h
i ng
ci r c
u
i t
.
T
h
i s
ci r c
u
i t
sel ect s
t
h
e
c
h
annel ( s)
t o be
si gnal
ca
u
ses
t
h
e
swee
p t o
f r ee
r
u
n
.
I n
t
h
e
N
O
RM
T
R
I G
d
i s
p
l aye
d
.
An
o
u
t
p
u
t
si gnal
f r om
t
h
i s
ci r c
u
i t
i s
connect e
d
p
osi t i on,
±
h
or i zont al
swee
p
i s
p
r esent e
d
onl y
w
h
en
cor -

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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