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Tektronix 454A User Manual

Tektronix 454A
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Ci r cui t
Descr i p
t i on- 454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
/
R
454A
nect e
d
t o
t
h
e p
osi t i ve
si
d
e
of
t
h
i s
ci r cui t
t o p r od
uce
±
Two
a
d
j
ust ment s
cont r ol
t
h
e
t r ace
al i gnment
by
var yi ng
c
h
ange
i n
o
u
t
p ut
vol t age
t o cont r ol
C
R
T
i nt ensi t y,
Å·
-
t
h
e
magnet i c
f i el
d ar o
u
nd
t
h
e
C
R
T
.
T
h
e
¥
Axi s
Al i gn
bl an
k
i ng,
dual - t r ace
bl an
k
i ng
and
i nt ensi t y
mo
d
ul at i on
.
a
d
j
ust ment ,
R
1485,
cont r ol s
t
h
e c
u
r r ent
t
h
r oug
h L
1485
w
h
i c
h
af f ect s
t
h
e
C
R
T
b
eam
af t er
ver t i cal
d
ef l ect i on,
b
u
t
bef or e
h
or i zont al
def l ect i on
.
T
h
e
T
R
AC
E R
OTATI O
N
C
R
T
Cont r ol
Ci r cui t s
a
d
j
ust ment ,
R1480
cont r ol s
t
h
e
c
u
r r ent
t
h
r oug
h
L
1480
an d
af f ect s
bot
h
ver t i cal
an d
h
or i zont al
r ot at i on
of
t
h
e
beam
.
F
ocus
of
t
h
e
C
R
T
d
i s
p
l ay
i s
cont r ol l e
d
by
t
h
e
F
OC
U
S
cont r ol ,
R1467
.
T
he d
i vi
d
er
1311463- 131469
i s
connect e
d
bet ween
t
h
e
C
R
T
cat
h
o d e
s
u
pp
l y
an d
gr ou
n
d
.
T
h
e vol t age
E
xt er nal
Axi s
I n
p
ut
app
l i e
d t o t
h
e
f oc
u
s gr i
d
i s
mor e
p
osi t i ve
( l ess
negat i ve)
t
h
an
t
h
e vol t age
on
ei t
h
er
t
h
e
cont r ol
gr i
d or
t
h
e
C
R
T
si gnal
a
pp
l i ed
t o
t
h
e
AXI S
I
NPU
T
connect or
i s
cat
h
o d e
.
T
h
e
ASTI G
a
d
j u
st ment ,
R
1489,
w
h
i c
h
i s
use d
i n
a
p
p
l i e
d
t o
t
h
e
C
R
T
cat
h
o
d
e t
h
r o
u
g
h
C1479-
R
1477- C1477
con
j u nct i on
wi t
h
t
h
e
F
OC
U
S
cont r ol
t o
p
r ovi
d e
±
wel l -
an d t o
t
h
e
Axi s
Am
p
l i f i er
ci r cui t
.
L
ow
f r e
q
uency
Z- axi s
def i ne
d
d
i s
p
l ay,
var i es
t
h
e
p
osi t i ve
l evel
on
t
h
e
ast i gmat i sm
si gnal s
ar e
pr event ed
f r om
d
i r ect l y
af f ect i ng
t
h
e
C
R
T
gr i
d
.
ci r c
u
i t
by
C1477
.
T
h
ey
ar e
connect e
d
t o
t
h
e
Axi s
Am
p
l i -
f i er
ci r c
u
i t
t o pr o
d
uce
an
i ncr ease
or d
ecr ease
i n
i nt ensi t y,
d
e
p en
d
i ng
upon
p
ol ar i t y
.
C1477
coupl es
h
i g
h
- f r e
q
uency
T
h
e
Geomet r y
a
d
j
ust ment ,
R
1482,
var i es
t
h
e
p
osi t i ve
si gnal s
t o
t
h
e
C
R
T
cat
h
o d e t o pr o
d
u
ce
t
h
e
same
r esul t ant
l evel
on
t
h
e
h
or i zont al
d
ef l ect i on
p
l at e
s
h
i el ds
t o cont r ol
d
i spl ay
as
t
h
e
Axi s
Am
p
l i f i er
ci r c
u
i t
p
r o
d
u
ces
f or
l ow-
t he
over al l
geor net r y of
t
h
e
d
i spl ay
.
T
h
e
+100- vol t
so
u
r ce
f r e
q
u
ency
i nt ensi t y- mo
d
u
l at i on
si gnal s
.
T
h
i s
conf i gur at i on
f or
t
h
i s
cont r ol
i s
p
r ovi
d
e
d
by
zener
d
i o
d e
VR
1356
i n t
h
e
o
p
er at es
as ± cr ossover
net wor
k
t o p
r ovi
d e near l y
const ant
Axi s
Am
p
l i f i er
ci r cui t
.
i nt ensi t y
mo
d
ul at i on
f r om
DC
t o
50
mega
h
er t z
.

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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