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98
TYPE 570 CHARACTERISTIC-CURVE TRACER
tensity,
and
astigmatism
controls
ore
accessible
through
Cl
door in
the
top of the cabinet.
VACUUM TUBE COMPLEMENT
Split-load phase inverters
and
shaper amplifiers
.
. . . . . . . . . . . . . . . .. 2
Rectifiers
.
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..
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.
...
.
2
Cathode follower and step-control
Cf ...
.
Clamp
and coupling diode ...........
.
Grid-step
generator .................
.
Step-generator
cathode
followers ......
.
Step
multivibrator ..................
.
Disconnect
diodes ..................
.
Step Cf
and
voltage regulator
Cf
......
.
Step
amplifiers
.
.
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. . .. 2
Step amplifier .....................
.
Cathode follower
...................
.
Plate
power-supply
rectifiers
.
.
.
.
.
. .
.
.
.. 2
Rectifier
diodes ...................
.
Horizontal-deflection amplifiers.
. .
. .
.
..
2
Horizontal-deflection
amplifier
CF
.
. .
. . ..
2
Horizontal-deflection
output
amplifiers
.
.
.
Vertical-deflection amplifiers
.
.
.
. . .
. . . ..
2
Vertical-deflection output
amplifiers
....
.
Variable dc-supply
rectifier
...........
.
Fixed dc-supply
rectifier
.
.
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..
. 4
Regulator amplifiers
.
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.. 2
Voltage reference
..................
.
6AN8
6Al5
12AT7
6AL5
6AU6
12AT7
6AN8
6Al5
12AX7
6AU6
12AT7
6Cl6
6AX4
6Al5
6AU6
6AU6
6BQ7A
6AU6
6BQ7A
6AX5
6X4
6AU6
5651
Regulator amplifier and series regulator
. .
6A
N
8
Regulator
amplifier .................
.
6AN8
Series
regulators ...................
.
2
12B4
Series
regulator ....................
.
6CD6GA
Variable
d
c
-
s
u
p ply CF ...............
.
12AT7
High-voltage
oscillator ............... .
6AQ5
Regulator
amplifier
and CF ...........
.
12AU7
High-voltage
rectifiers ...............
.
2
5642
Cathode-ray
tube ...................
.
T52Pl
MECHANICAL SPECIFICATIONS
Ventilation-filtered, forced-air ventilation
maintains
safe
operating
temperatures.
Construclion-Aluminum-alloy
chassis
and
cabinet.
Finish-Photo-etched
anodized
panel, gray wrinkle
cabinet.
Dimensions-l
6%
11
high,
13"
wide,
24
%" deep.
\¥eight-75
pounds.
Power
Requir
e
m
ent
s
-
l
05-12
5
or
210-250
v,
50
or
60
cycles,
400
watts
maximum, 300 watts
standby.
Price
.
.
.
.
.
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_
.
$925
Includes:
8-Adapter
plates
26-Patch cords
I
-
Instruction manual
Currently Available Extras
PI crt phosphor
normally furnished.
P2,
P7, PI]
optional
.
.
.
.
.
.
..
.
.
.
.
.
.
No
extra
charge
Price
f.o.b.
Portland (Beaverton),
Oregon
Type 570 Characteristic-Curve Displays
Fig.
I
-
Plate
current
plotted
against plate voltage
for
One trio
ode
s
e
c
t
i
o
n
of
a
12AU7.
Plate
load is 5 k, peak plate-supply
voltage
is 500 v. Grid voltage is
e hanged 5
.
v between
curves, from
-
35
v
to zero.
Vertical .ensi.
tivity
i.
5 m
0/
d
iv,
horizontal
sens
itivity
50
v
/
div.
Co
libraled
controls.
permit
accurate
current
and
voltage
reading.
directly
fro
rn
the
s.creen.
Fig. 3
-
Screen
(urrent
plaUed
against
plate
voltage with
posi.
tive g
ri
d
bias
an a
6AQ5.
Plate
load i. 300 ohms,
peak
plate
valtage
i. 100
v,
screen-grid
vall.
age is 100 v,
with grid voltage
changing 2
Y
/
step
from
+16
v
to
below
zero. Ve
rt
ic
al
scale
is
10
ma
/
diY,
horizontal
scale
10
v/diY.
Fig. 4
-
Typical
12AU7 Eg
.
lp
curves.
Plate load
5
k,
peak
plate.supply
v
o
l
t
a
g
e 500
v,
grid
voltage
changing
5
v/step
from
-35
v
to
zero,
vertical
sensitivity
5
ma
/
div
,
horizontal
sensiti
v
i
t
y
'
5
v
/
div.
fig.
5-Another
family
of
curves
with
positive
grid
bia.. Screen
currenl
is
plott
e
d
against
grid
voltage. Operating
conditions
of
Ihe 6AQ5
are
identical
to Fig 3,
except
ho
r
i
z
o
n
ta
l sensitivity
i.
2
v
/
div.
T ektronix,
'ne.
Fig. 2
-
S
a
me triade s
e
c
t
i
o
n
of
12AU7
with
only
20-v
peak
plate
supply
and
sensitivities
increased
100.2
ma
/
div
vertical and
2
v/dlv
horizontal.
Grid
voltage
i.
chang
ed
2 v
between
curves, from
-14 v
to
zero.
Thi.
is
essentially
o
25-times
magnification
of
Ihe
lOWer
left
portion
of
Fig.
I ,
showing the operating (haraeler·
isties
at
low plate·supply voltage.
Fig.
6-Typical
GERMANIUM
DI
ODE
curve. Inherent flexibility
of
the
Type
570
perm ils
(%Cc urate
eval uation of diode
characteris·
tic.
and
detailed
examination
of
any
port
of
Ihe
curve.
Calibraled
scales
above
ar
e
0.2
v
/ d;v
hori
zontal,
0.5
ma/div
vertical,
with
Zero
paints
at
c
e
n
t
e
r
of
screen.
3/56
Summary of Contents for 570
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