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Tektronix 454A User Manual

Tektronix 454A
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Out
p
ut
vol t age
l evel
of
t
h
e
h
i g
h
- vol t age
su
pp
l y
i s
set
by
t
h
e
H
i g
h
V
ol t age
a
d j u
st me
n
t ,
R
1401,
i n
t
h
e b ase
ci r c
u
i t
of
Q1414
.
T
h
i s
a
d
j
ust ment
set s
t
h
e
con
d
uct i on
l evel
of
Q1414
w
h
i c
h
cont r ol s
t
h
e q
ui escent
cond
u
ct i on of
Q1413,
Q1423
an d
Q1430
si mi l ar
t o
t
h
e
manner
j
ust
d
escr i
b
e
d
f or
r eg
u
l a-
t i on
.
Unr
eg
u
l at e
d
F1437
15
V
ol t s
- zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
®
1 ·
f r om
+
12
V
ol t
R
ect i f i e
r
,
P
owe
r
Suppl y
Ci r cui t
H
i g
h
-
V
ol t age
Osci l l at or
01430
H
i g
h
-
V
ol t age
R
eg
u
l at o
r
01413,
01414,
01 423
Cont r ol - Gr i
d
R
ect i f i e
r
C
R
1440
Hi gh- Vol t age
R
ect i f i er
C
R
1452,
C
R
1453,
C
R
1455,
C
R
1457
R
1467
+
12
kV
F
OC
U
S
- 1
. 96
KV
F
i g .
3- 20
.
C
R
T
Ci r c
u
i t
d
et ai l e
d b
l oc
k
di agr a
m
.
CRT
V
1479
Ci r cui t
Descr i pt i on- 454
/
R
454A
'
5
¤™
2
R
1489
Unb
l a
nk
i ng
Gat e
f
r
o
m
Axi s
A
mp
l i f i e
r
To
Axi s
Am
p
l i f i e
r
( ]
AXI S
I
NPU
T
R
egul at i on
t a
k
es p
l ace
as
f ol l ows
:
I f t
h
e
o
u
t
p
u
t
vol t age
t ube
.
T
h
e
f i l ament
vol t age
can
be
obt ai
n
e
d
f r om
t
h
e
h
i g
h
-
at
t
h
e
- 1960
V
t est
poi nt
st ar t s
t o
go
p
osi t i ve
( l ess
nega-
vol t age su
pp
l y,
si nce
t
h
e
C
R
T
h
as
± ver y
l ow
f i l ament -
t i ve) ,
±
sam
p
l e
of
t
h
i s
p
osi t i ve- goi ng
vol t age
i s
a p
pl i e
d
t o
cur r ent
dr ai n
.
Two
h
i g
h
- vol t age
wi n
d
i ngs
p
r ovi
d
e t
h
e
t
h
e
b
ase
of
Q1414
.
Q1414
i s
f or war
d b
i ase
d
an
d
i t ,
i n t
u
r n,
negat i ve an
d
p
osi t i ve
accel er at i ng
vol t age,
and
t
h
e
C
R
T
gr i
d
f or war
d b
i ases
Q1413
t o
i ncr ease
t
h
e
conduct i on
of
Q1423
.
bi as
vol t age
.
Al l
of
t
h
ese
o
u
t
p
u
t s
ar e
r eg
u
l at e
d by
t
h
e
Hi gh-
An
i ncr ease
i n
c
u
r r ent
t
h
r o
u
g
h
Q1323
r ai ses
t
h
e
aver age
V
ol t age
R
egul at or
st age
i n
t
h
e
p
r i mar y
of
¤
1430
t o
mai n
vol t age
l evel
at
i t s
emi t t er ,
w
h
i c
h
i s
connect e
d
t o
t
h
e base
t ai n
±
const ant
out
p
ut
vol t age
.
of
Q1430,
t
h
r oug
h
t
h
e
f ee
d
b
ac
k
wi n
d
i ng
of
¤
1430
.
mor e
p
osi t i ve
l evel
at
t
h
e
base
of
Q1430
i ncr eases
i t s
col l ect or
c
u
r r ent
t o
p
r o
d
u
ce ±
l ar ger
i n
d
u
ce
d vol t age
i n t
h
e
secon-
P
osi t i ve
accel er at i ng
p
ot ent i al
f or
t
h
e
C
R
T
ano
d
e
i s
d
ar y of
¤
1430
.
T
h
i s
i ncr eased
vol t age
a
p
p
ear s
as
±
mor e
s
u
pp
l i e
d
by
vol t age
t r i
p
l ex
C
R
1453- C
R
1455- C
R
1457
.
T
h
i s
negat i ve
vol t age
l evel
at
t
h
e
- 1960
V
t est
poi nt t o
cor r ect
r ect i f i e
d
vol t age
i s
f i l t er e d
by
t
h
e
net wor
k
t
h
e
or i gi nal
p
osi t i ve- goi ng
c
h
ange
.
By
sam
p
l i ng
t
h
e o
u
t
p
ut
C1460-
R
1460-
R
1461
t o p
r ovi
d e
±
const ant
out
p ut of
f r om
t
h
e
negat i ve
h
i g
h
- vol t age
r ect i f i er
i n t
h
i s
ma
n
ner ,
t
h
e
about
+1 2
k
i l ovol t s
.
t ot al
o
u
t
p
u
t
of
t
h
e
h
i g
h
- vol t age
s
u
p
p
l y
i s
h
el
d
const ant
.
T
h
e
negat i ve
accel er at i ng
p
ot ent i al
f or
t
h
e
.
. C
R
T
cat
h
o d e
i s
s
u
pp
l i e
d by
t
h
e
h
al f - wave
r ect i f i er
C
R
1452
.
V
ol t age
out -
p
u
t
i s
abo
u
t
- 1
. 96 k
i l ovol t s
.
sam
p
l e
of
t
h
i s
o u
t
p
u
t
vol t -
age
i s
connect ed
t o
t
h
e
H
i g
h
-
V
ol t age
R
egul at or
st age
t o
p
r ovi
d e ±
r egul at e
d h
i g
h
- vol t age
out
p
u
t
.
T
h
e
h
al f - wave
r ect i f i er
C
R
1440 p
r ovi
d
es
± negat i ve
vol t -
age
f or
t
h e cont r ol
gr i
d of
t
h
e
C
R
T
.
Out
p
ut
l evel
i s
ad
j
ust
H
i g
h
-
V
ol t age
R
ect i f i er s
abl e
by
t
h
e
C
R
T
Gr i
d
i as
a
d
j u
st ment ,
R
1447
.
T
h
e
neon
b
ul
b
s,
DS1473- DS1474- DS1475,
p
r ovi
d e p
r ot ect i on
f or
t
h
e
T
h
e
h
i g
h
- vol t age
t r ansf or mer ,
¤
1430,
h
as
t
h
r ee
out
p
u
t
C
R
T
Ci r cui t
i f
t
h
e
vol t age d
i f f er ence
bet ween
t
h
e cont r ol
wi n
d
i ngs
.
One
of
t
h
e
wi n
d
i ngs
p
r ovi
d
es
f i l ament
vol t age
gr i
d
and
t
h
e
C
R
T
cat
h
o d e
excee
d
s
a
b
out
165
vol t s
.
T
h
e
( el evat e
d
t o
C
R
T
cat
h
o
d e p
ot ent i al )
f or
t
h
e
cat
h
o d
e- r ay
unbl an
k
i ng
gat e
f r om
t
h
e
Axi s
Am
p
l i f i er
ci r c
u
i t i s
con-
3-
3
7

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Tektronix 454A Specifications

General IconGeneral
BrandTektronix
Model454A
CategoryTest Equipment
LanguageEnglish

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