RCA-2CW4, 6CW4, 13CW4
•
RCA-2CW4,
intended
2CW4
receIvers.
ductance-to-plate-current
milliamperes
The
design,
uniformity
heater-power
struction
These
dependable
for
use
and
for
6CW4
2CW4,
offer
in
6CW4,
use
as
are
The
13CW4
antenna-system
tubes
locations
nuvistor
noise
in
such
The
achieved
and a plate
6CW4,
these
of
characteristics
and
insures
nuvistors
performance.
series
High-Mu
and
13CW4
grounded-cathode,
particularly
is
designed
booster
provide
factor
applications.
high-gain
additional
plate-power
ruggedness
heater-string
where
triodes
by
very
and
utilize
exceptional
significantly
ratio
voltage
13CW4
The
Nuvistor
are
high-mu
useful
especially
amplifiers.
signal
feature
and
low-noise
high
heater
transconductance
(12500
of
70
nuvistor
advantages:
from
the
tube
requirements.
and
long-term
RCA
of
arrangements.
Triodes
triodes
neutralized
in
vhf
performance
levels
excellent
better
micromhos
volts).
Dark
the
are
capabilities
triodes,
extreme
to
tube;
stability.
Heater
2CW4
of
rf-amplifier
tuners
for
than
of
use
In
these
in
fringe
extremely
signal
tubes
and
at a plate
because
reliability;
very
All
metal-and-ceramic
to
insure
has
controlled
the
nuvistor
television
in
antennaplex
applications
areas
power
currently
of
these
excellent
current
of
small
tubes.
weak.
gain
their
exceptional
size;
long
warm-up
type,
and
and
other
These
and
in
tubes
transcon-
of
unique
and
con-
life
time
The
FM
and
the
a
use
are
7.2
low
and
•
Elect
Heater,
r i ca1:
Voltage
for
Unipotential
lac
Current.
Warm-up Time
Direct
Grid
Grid
Plate
Plate
Heater
Characteristics,
Plate
Grid
Cathode
Amplification
Plate
Transconductance.
Plate
Grid
Interelectrode
to
plate
to
cathode,
to
cathode,
to
cathode.
to
cathode
Supply
Supply
Voltage.
Resistor.
Resistance
Current
Voltage
or
de).
(Average).
.
shell,
Class
Voltage.
Factor.
(Approx.).
.
(Approx.)
Cathode:
Capacitances
and
shell,
and
AI Ampl
for
plate
GENERAL
0.45
(Approx.):
heater.
heater
ifier:
current
- 3 -
2CW4
2.1
8
DATA
±6%
= 10
6CW4
6.3 ± 10%
0.135
fLa.
13CW4
13.5±10%
0.060
0.92
4.3
1.8
0.18
1.6
110
130
6600
9800
65
-4
0
7
volts
amp
seconds
pf
pf
pf
pf
pf
volts
volts
ohms
ohms
f-lmhos
ma
volts