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Tektronix 454A User Manual

Tektronix 454A
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O
p
er at i ng
I nst r uct i ons- 454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
‘
/
R
454A
cont r ol f or exact
posi t i oni ng
.
T
h
i s
met
h
od
wi l l
k
ee
p
bot
h
T
he
common- mo
d
e r e
j
ect i o
n
r at i o
of
t
h
e
454
‘
i s
gr eat er
I n
p
ut
P
r eamps
oper at i ng
wi t
h
i n
t
h
ei r
l i near
r ange
.
t
h
an 10
: 1
at
50 mega
h
er t z
f or
si gnal
am
p
l i t udes
up
t o
ei g
h
t
t i mes
t
h
e
VO
L
TS/ DI
V
swi t c
h
set t i ng
.
R
e
j
ect i o
n
r at i os
of
100
: 1
can
t y
p
i cal l y
be
ac
h
i eve
d
bet ween
DC
and
f i ve
3
.
T
h
e
out
p ut vol t age
at
t
he
C
H
1
O
U
T
connect or
i s
at
mega
h
er t z
by
car ef ul
ad
j
ust ment
of
t
h
e gai n
of
ei t
h
er
l east
10
mi l l i vol t s/ di vi si on
of
C
R
T
di s
p
l ay
i n
al l
C
H
1
c
h
annel
w
h
i l e
obser vi ng
t
h
e d
i s
p
l aye
d
common- mo
d
e
V
O
L
TS/ DI
V
swi t c
h
p
osi t i ons
.
si gnal
.
4
.
T
h
e
M
OD
E
swi t c
h a
nd
C
H
1
V
A
R
I A
BLE
cont r ol
Def l ect i on
F
act or
.
T
h
e
over al l
def l ect i on
i n t
h
e
ADD
h
ave
no
ef f ect
on
t
h
e
si gnal avai l a
b
l e
at
t
h
e
C
H
1
O
U
T
p
osi t i on
of
t
h
e
M
OD
E
swi t c
h
w
h
en
b ot h
V
O
L
TS/ DI
V
connect or
.
swi t c
h
es
ar e
set
t o
t
h
e
same
p
osi t i on
i s
t
h
e
same
as
t
h
e
d
ef l ect i on
f act or
i n
d
i cat e
d
by
ei t
h
er
V
O
L
TS/ DI
V
swi t c h
.
T
h
e
am
p
l i t u
d
e of an
a
dd
e
d
mode
d
i s
p
l ay
can
be
d
et er mi ne
d
5
.
T
h
e
C
h
annel
1
I n
p
ut
P
r eam
p
can
b e used as an
d
i r ect l y
f r om
t
h
e
r esul t ant
C
R
T
d
ef l ect i o
n
mul t i pl i ed
by
i m
p
edance
mat c
h
i ng
st age
wi t
h
or
wi t
h
out
vol t age
gai n
.
t
h
e d
ef l ect i on
f act or
i ndi cat e
d
by
ei t
h
er
VO
L
TS/ DI
V
T
h
e
i n
p
ut
r esi st ance
i s
one
mego
h
m
and
t
h
e
out
p ut
swi t c
h
.
H
owever ,
i f
t
h
e
C
H
1
an
d
CH
2
V
O
L
TS/ DI
V
r esi st ance
i s
about
50
o
h
ms
.
swi t c
h
es
ar e
set
t o
d
i f f er ent
d
ef l ect i on
f act or s,
t
h
e
r esul t a
n
t
vol t age
i s
d
i f f i cul t
t o d
et er mi ne
f r om
t
h
e
C
R
T
d
i s
p
l ay
.
I n
t
h
i s
case,
t
h
e
vol t age
ampl i t u
d
e
of
t
h
e
r esul t ant
d
i spl ay
can
6
.
T
h
e
out put
l evel
at
t
h
e
C
H
1
O
U
T
connect or
i s
abo
u
t
be
d
et er mi ne
d accur at el y
onl y
i f
t
h
e
ampl i t u
d
e
of
t
h
e
si gnal
0
vol t s
DC
f or
±
0
vol t
DC
i
n
put
l evel
( C
H
1
P
OSI TI O
N
app
l i ed
t o
ei t
her
c
h
annel
i s
k
nown
.
cont r ol
cent er e
d
)
.
T
h
e
C
H
1
P
OSI TI O
N
cont r ol
can
b e
used
t o
cent er
t
h
e
out
p ut
si g
n
al
wi t
h
i n
t
h
e
d
ynami c
r ange of
t
h
e
am
p
l i f i er
.
P
r ecaut i ons
.
T
h
e f ol l owi ng
gener al
p
r ecaut i ons
s
h
oul
d
b e o
b
ser ved
w
h
en
usi
n
g t
h
e
ADD
mo
d e
.
7
.
I f
d
ual - t r ace
o per at i on
i s
use d
,
t
h
e
si gnal
appl i e
d
t o
t
h
e
I
NPU
T C
H
1
co
nn
ect or
i s
d
i s
p l ayed
w
h
en
C
h
annel
1
i s
1
.
Do
not
excee
d
t
h
e
i
n
p ut
vol t age
r at i ng
of
t
h
e
454
‘
.
t ur ned
on
.
Wh
en
C
h
annel
2
i s
t ur
n
ed on,
t
h
e
ampl i f i er
si gnal
i s
di s
p l ayed
.
T
h
us,
t
h
e
i n
p
ut
si gnal
can
be
moni t or ed
by C
h
a
n
nel
1
w
h
i l e
t
h
e
am
p
l i f i er
si g
n
al i s
di s
p
l ayed b y
2
.
Do
not
appl y
si gnal s
t
h
at
excee
d an eq
ui val ent
of
C
h
annel 2
.
about
ei g
h
t
t i mes
t
h
e
V
O
L
TS/ DI
V
swi t c
h
set t i
n
g
.
F
or
exam
p
l e,
wi t
h
±
VO
L
TS/ DI
V
swi t c
h
set t i ng
of
. 5, t
h
e
vol t age
a
pp
l i e
d t o
t
h
at
c
h
annel
s
h
oul d
not
excee
d
about
8
.
I n
s
p
eci al
a
pp
l i cat i ons
w
h
er e
t
h
e
f l at
f r e
qu
ency
f our
vol t s
.
L
ar ger
vol t ages
may
d
i st or t
t
h
e
d
i s
p
l ay
.
r es
p
onse
of
t
h
e
454
‘
i s
not
d
esi r e
d
,
±
f i l t er
i nser t e
d
bet ween
t
h
e
C
H
1
O
U
T
an
d
I
NPU
T
C
H
2
connect or s
al l ows
t
h
e
osci l l osco
p e t o
essent i al l y
t a
k
e
on
t
h
e
f r e
q
uency
r e-
3,
U
se
C
H
1
and
C
H
2
P
OSI TI O
N
cont r ol
set t i ngs
w
h
i c
h
sp
onse
of
t
h
e
f i l t er
.
Com
b
i ne
d
wi t
h
met
h
o
d
7,
t
h
e i np
u
t
most
near l y p
osi t i on
t
h
e
si g
n
al
of
eac
h c
h
annel
t o
can
b
e
moni t or e
d b y
C
h
annel
1
an
d
t
h
e
f i l t er e
d
si gnal
d
i s-
mi
d
scr een
w
h
en
vi ewe
d
i n
ei t
h
er
t
h
e
C
H
1
or
C
H
2
p
l aye
d
by
C
h
annel
2
.
p
osi t i ons
of
t
h
e
M
OD
E
swi t c
h
.
T
h
i s
i
n
sur es
t
h
e
gr eat est
dynami c
r ange
f or
ADD
mo
d
e
o
p
er at i on
.
9
.
By
usi ng
C
h
annel
1
as
±
5
§
l ow- l evel
vol t age
p
r eampl i f i er
( 2
m
V
posi t i on) ,
t
h
e
si gnal
avai l abl e
at
t
h
e
C
H
4
.
F
or
si mi l ar
r es
p
onse f r om
eac
h c h
annel ,
set
t
h
e
C
H
1
1
O
U
T
con
n
ect or
can be used
f or
any
a
pp
l i cat i on
w
h
er e
±
an
d
CH
2
I n
p
ut
Coupl i ng
swi t c hes
t o
t
h
e
same
p
osi t i on
.
l ow- i mpedance
p
r eam
p
l i f i er
si gnal
i s
nee d ed
.
R
emember
t
h
at
i f
±
50- o
h
m
l oad
i mp
eda
n
ce
i s
used,
t
h
e
out
p
ut si gnal
am
p
l i t ude
i s
about
one-
h
al f
.
I NT
.
F
or
most
a
pp
l i cat i ons,
t
h
e
swee
p
can
be
t r i gger ed
i nt er nal l y
.
I n
t
h
e
™• ¤
p
osi t i on
of
t
h
e
Tr i gger i ng
SO
UR
C
E
Al gebr a
i
c
Addi t i on
swi t c
h
,
t
h
e
t r i gger
si gnal
i s
o
b
t ai ned
f r om
t
h
e
V
er t i cal
Def l ect i on
Syst em
.
T
he
T
R
I GG
ER
swi t c
h p
r ovi
d
es
Gener al
.
T
h
e
ADD
posi t i on
of
t
h
e
M
OD
E
swi t c h
can
be
f ur t
h
er
sel ect i on
of
t
h
e
i nt er nal
t r i gger
si g
n
al
;
o
b
t ai ned
f r om
use d
t o
d
i s
p
l ay
t
h
e
sum
or d
i f f er ence
of
t wo
si gnal s,
f or
t
h
e
C
h
a
nn
el 1 si g
n
al
i
n
t
h
e
C
H
1
O
NL
Y
p
osi t i on,
or
f r om
common- mo
d
e r e
j
ect i on t o
r emove
an
un
d
esi r e
d
si gnal ,
or
t
h
e d
i spl ayed
si gnal
w
h
en
i n t
h
e
N
O
RM
p
osi t i on
.
F
or
f or
DC
of f set
( a
pp
l yi ng
±
DC
vol t age
t o
one
c
h
annel t o
si ngl e- t r ace
d
i s
p
l ays
of
ei t
h
er
c
h
a
n
nel ,
t
h
e
N
O
RM
posi t i o
n
of f set
t
h
e
DC
com
p
onent
of ±
si gnal
on
t
h
e
ot
h
er
c
h
annel )
.
pr ovi
d es
t
h
e
most
conve
n
i ent
o p
er at i o
n
.
H
o
w
ever ,
f or
2-
20
Tr i gger
Sour ce

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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