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Tektronix 454A User Manual

Tektronix 454A
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Oper at i ng
I nst
r u
ct i ons- 454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
‘
/
R
454A
U
se
t
h
e
f ol l owi ng
pr ocedur e
:
1
.
M
eas
u
r e
t
h
e
t i me
d
ur at i o
n
of
one
cycl e of
t
h
e
wavef or m
as
d
escr i bed
i
n
t
h
e
pr evi ous
a p
pl i cat i on
.
2
.
Ta
k
e t
h
e
r eci
p
r ocal
of
t
h
e
t i me
dur at i on
t o
d
et er mi
n
e
t
h
e
f r e
q
uency
.
E
xampl e
.
T
he
f r e
q
uency
of
t
h
e
si gnal
s
hown
i n
F
i g
.
2- 21
w
h
i c
h h
as
±
t i me
d ur at i on of
0
. 5
mi l l i second
i s
:
F
r e
q
uency
=
1
=
1
= 2
kH
z
t i me
d ur at i on
0
. 5
ms
R
i set i me
M
easur ement s
R
i set i me
meas
u
r ement s
em
p l oy
basi cal l y
t
h
e
same
t ec
h
ni ques
as
t i me- dur at i o
n
measur ement s
.
T
h
e
mai
n
di f f er ence
i s
t
h
e
p
oi nt s
bet wee
n
w
h
i c
h
t
h
e
m
easur ement
i s
ma
d
e
.
T
h
e
f ol l owi ng
pr oce d ur e
gi ves
t
h
e b
asi c
met
h
o
d of
measur i ng
r i set i me
bet ween
t
h
e
10%
an
d
90%
poi nt s
of
t
h
e
wavef or m
.
F
al l t i me
ca
n
be
measur ed
i
n
t
h
e
same
manner
on
t
h
e
t r ai l i ng
ed ge of
t
h
e
wavef or m
.
1
.
Con
nect
t
h
e
si g
n
al
t o
ei t
h
er
I
NPU
T
co
nn
ect or
.
2
.
Set
t
h
e
M
OD
E
swi t c
h
t o di spl ay
t
h
e c
h
annel
u
sed
.
3
.
Set
t
he
V
O
L
TS/ DI
V
swi t c
h
and
t
h
e
VA
R
I A
BLE
cont r ol
t o
p
r o
d
uce
± d
i s
p
l ay
an
exact
number
of
di vi si ons
i n
am
p
l i t ude
.
4
.
Cent er
t
h
e
di s
p
l ay
about
t
h
e ce
n
t er
h
or i zo
n
t al
l i
n
e
.
2-
34
¹
_
¹,
t - 0
- 0-
H
or i zo
n
t al
¤
d
i st ance
j
F
i g
.
2- 22
.
M
eas
u
r i
n
g
r i set i me
.
7
.
A
d j u
st t
h
e
h
or i zont al
P
OSI TI O
N
co n
t r ol
t o
move
t
h
e
10%
poi
n
t
of
t
h
e
wavef or m
t o
t
h
e
f i r st
gr at i cul e
l i ne
.
F
or
examp
l e,
wi t
h
±
f i ve-
d
i vi si on
d
i s
p
l ay
as
s
hown
i n
F
i g
.
2- 22,
t
he
10%
p
oi nt
i s
0
. 5
di vi si on
up
f r om
t
h
e
st ar t
of
t
h
e
r i si ng
p
or t i on
.
8
.
M
easur e
t
h
e
h
or i zont al
d
i st ance
bet ween
t
h
e
10%
a
nd
90%
poi nt s
.
B
e
sur e
t
h
e
‘ VA
R
I A
BLE
cont r ol
i s
set
t o
CA
L
.
9
.
M
ul t i pl y
t
h
e
d
i st a
n ce
measur ed
i n
st e
p
8
by
t
h
e
set t i ng
of
t
h
e
¤™œ•
/ DI
V
swi t c h
.
I f
swee
p
magni f i cat i on
i s
used,
di vi
d e
t
h
i s
answer
b
y
10
.
5
.
Set
t
h
e
¤™œ•
/ DI
V
swi t c h
t o
t
h
e
f ast est
sweep
r at e
t
h
at
d
i s
p
l ays
l ess
t
h
an
ei g
h
t
d
i vi si ons
b
et ween
t
he
10%
and
90%
p
oi nt s
on
t
h
e
wavef or m
.
E
xam
p
l e
.
Assume
t
h
at
t
h
e
h
or i zont al
di st a
n
ce
b
et ween
t
h
e
10%
an
d
90%
poi nt s
i s
f our
d
i vi si ons
( see
F
i g
.
2- 22) an d
t
h
e
¤™œ•
/ DI
V
swi t c
h
i s
set
t o
1
¼
s
wi t
h
t
h
e
M
AG
swi t c
h
6
.
Det er mi
n
e
t
h
e
10%
an d
90%
poi nt s
on
t
he
r i si ng
set
t o
§
10
.
Ap
pl yi ng
t
h
e
t i me
dur at i on
f or mul a
t o
r i set i me
:
por t i on of
t
h
e
wavef or m
.
T
h
e
f i gur es
gi ven
i n
Tabl e
2- 2
ar e
f or
t
h
e
p
oi nt s
10%
up
f r om
t
h
e
st ar t
of
t
h
e
r i si ng
por t i on
an
d
10%
d
own
f r om
t
h
e
t o p
of
t
he
r i si ng
por t i o n
( 90%
p
oi nt )
.
h
or i zont al
(
d
i vi si ons)
Ç
¤™œ•
/ DI
V
R
i set i me
set t i ng
( Ti me
Dur at i on)
d
i st ance
TA
BLE
2- 2
magni f i cat i on
V
er t i cal
Di vi si ons
ver t i cal l y
Subst i t ut i ng
t
h
e gi ven val ues
:
di s
p
l ay
10%
an
d
90%
bet ween
10%
( di vi si ons)
poi
n
t s
and
90%
p
oi nt
4
§
1
¼
s
R
i set i me
=
10
4
0
. 4
d
i vi si on
3
. 2
5
0
. 5
d
i vi si o
n
4
. 0
6
0
. 6
di vi si on
4
. 8
T
h
e
r i set i me
i s
0
. 4
mi cr osecon
d
.

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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