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Tektronix 454A User Manual

Tektronix 454A
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Channel
l
( r ef er e
n
ce)
C
h
a
nn
el
2
1101
===
MEN
MENNEN
I MI EMMI MMOMME
i
n
cr ease
d
swee
p
r at e
.
h
or i zont al
Ph
ase
Di f f er ence
=
d
i f f er encezyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
Ç
magni f i e
d
sweep
r at e
)
(
d
egr ees/
d
i v)
( di vi si ons
Si ne
¦
=
_
‘
Su
b
st i t ut i ng
t
h
e
gi ven
val ues
:
’
Ph
ase
Di f f er ence
=
6
§
4
. 5
°
.
Subst i t ut i ng
t
h
e
gi ven
val ues
:
Oper at i ng
I
n
st r uct i ons- 454
‘
/
R
454A
±
d
i s
p
l ay
l ess
t
h
a
n
si x
d
i vi si ons
ver t i cal l y
(
¥
)
an
d
l ess
t
h
an
10
di vi si ons
h
or i zont al l y
(
§
) .
T
h
e
C
H
1
VO
L
TS/ DI
V
swi t c
h
cont r ol s
t
h
e
h
or i zont al def l ect i on
(
§
)
an d
t
h
e
C
H
2
VO
L
TS/ DI
V
swi t c
h
cont r ol s
t
h
e
ver t i cal
def l ect i on
(
¥
)
.
4
.
Cent er
t
h
e
di spl ay
i n
r el at i on
t o
t
h
e
cent er
gr at i c
u
l e
l i nes
.
M
easur e
t
h
e di st ance
‘
an
d
’
as
s
hown
i n
F
i g
.
2- 29
.
Di st ance
‘
i s
t
h
e
h
or i zont al
measur ement
b
et ween
t
h
e
t wo
p
oi nt s
w
h
er e
t
h
e
t r ace
cr osses
t
h
e
cent er
h
or i zo
n
t al
l i ne
.
Di st ance
’
i s
t
he
maxi mum
h
or i zont al
wi d t
h
of
t
he
di s
p
l ay
.
5
.
Di vi de
‘
by ’
t o
obt ai n
t
h
e
si ne
of
t
h
e
p
h
ase
a
n
gl e
(
¦ ™
bet ween
t
h
e
t wo
si gnal s
.
T
he
a
n
gl e
can
t
he
n
be
obt ai ned
f r om
±
t r i gonomet r i c
t a
b
l e
.
¹
¹
¹
H
or i zo
n
t al
¹
j
!
d
i f f er e
n
ce
0
6
.
I f
t
h
e d
i s
p
l ay
a
pp
ear s
as
± d
i agonal
st r ai g
h
t
l i
n
e,
t
h
e
t wo
si gnal s
ar e
ei t
h
er
i n
p
h
ase
( t i l t e
d
u
p
p
er
r i g
h
t
t o
l ower
l ef t )
or
180
°
out
of
p
h
ase
( t i l t ed
upper
l ef t
t o
l ower
r i g
h
t )
.
F
i g
.
2- 28
.
H
i g
h
r esol ut i o
n
ph
ase- d
i f f er ence
meas
u
r ement
wi t
h
I f
t
h
e
d
i s
p
l ay
i s
±
ci r cl e,
t
h
e si g
n
al s
ar e
90
¿
out
of
p
h
ase
.
E
xam
p
l e
.
To
measur e
t
h
e
p
hase of
t
h
e
di s
p
l ay
s
h
ow
n
i n
F
i g
.
2- 29
w
h
er e
‘
i s
5 d
i vi si ons
a
n
d ’
i s
10
d
i vi si o
n
s,
use
t
h
e
f or m
u
l a
:
T
h
e
p
h
ase
d
i f f er ence
i s
27
°
.
Si ne
4)
=
1
Œ
=
0
. 5
F
r om
t
h
e
t r i gonomet r i c
t abl es
:
§
-
¥
Ph
ase
M
easur ement
T
h
e
§
-
¥
p
h
ase
measur ement
met
h
o
d can
be
used
t o
¦
=
300
measur e
t
h
e p
h
ase
d
i f f er e
n
ce
bet wee
n
t wo
si gnal s
of
t
he
same
f r e
q
uency
.
T
h
i s
met
h
o
d
pr ovi
d
es
an
al t er nat e
met
h
od
of
measur eme
n
t
f or
si gnal
f r e
q uenci es
up
t o
t wo
mega
h
er t z
.
H
owever ,
above
t
h
i s
f r e
q
uency
t
h
e
i n
her ent p
h
ase
d
i f f er ence
b
et ween
t
h
e
ver t i cal
and
h
or i zont al
syst em
ma
k
es
accur at e
p
h
ase
measur ement
d
i f f i cul t
.
I n
t
h
i s
mo
d
e,
one
of
t
h
e
si newave
si gnal s
p
r o
v
i
d
es
h
or i zont al
d
ef l ect i on
(
§
)
w
h
i l e
t
h
e ot h
er si gnal
p
r ovi des
t
he
ver t i cal
d
ef l ect i on
(
¥
) .
T
h
e
ph
ase
angl e
bet wee
n
t
h
e t
w
o
si g
n
al s
can
b
e
d
et er mi ne
d
f r om
t
h
e
l i ssa
j
ous
p
at t er n
as
f ol l ows
:
¹
¹
1
.
Connect
one
of
t
h
e
si ne- wave
si gnal s
t o
t
h
e
I
NPU
T
¹
¹
C
H
1
or
§
con
n
ect or an d
t
h
e ot
h
er si gnal
t o
t
h
e
I
N
PU
T
C
H
™
¹
2
.
Set
t
h
e
H
O
R
I Z
DI S
PL
AY
swi t c
h
t o
§
- Y,
M
AG
swi t c
h
t o
O
FF
and
t
h
e
T
R
I GG
ER
swi t c
h
t o
C
H
1
O
NL
Y
or
§
-
Y
.
3
.
P
osi t i on
t
h
e d
i spl ay t o
t
h
e cent er of
t
h
e scr een
and
a
d
j
ust
t
h
e
C
H
1
an
d
CH
2
V
O
L
TS/ DI
V
swi t ches
t o pr o
d
uce
F
i g
.
2- 29
.
Ph
ase-
d
i f f er e
n
ce
meas
ur ement
f r om
an
§
-
¥
di spl ay
.
2
or
¥
con
n
ect or
.
¯ ¯
2-
4
1

Table of Contents

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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