RCA 6ds4, 2ds4 schematic

•

•

l

r

Printed

in

U.$.A.

Information
liable.

However,

nor

for
parties
implication

any

which

furnished

no

res?onsibility

infringements

may

or

result

otherwise

by

under

ReA

from

of

is
patents

its

any

believed
is

assumed

use.

patent

or
No

to

other

or

be

by

ReA

license
patent

accurate

rights

Supersedes

for

is

granted

rights

and
its

of

of

re·

use;

third

by

ReA.

6DS~

2DSU,

issue

6DSll

dated

7-62

8-61

RCA-2054,

6054

•

RCA-20S4 and 60S4

use

as

grounded-cathode,

television

are

achieved

to-plate-current

and a

tional
and

metal-and-ceramic

term

plate

The

low

stability.

and

vide

where

ture

In

reduces

voltage

2DS4

uniformity

heater-power

FM

exceptional

addition,

The

by

very

and

High-Mu

With

receivers.

signal

excellent

ratio

6DS4

Semi

are

high-mu

neutralized

levels

the

cross-modulation

high-gain

high

(12500

of

70

volts).

nuvistor

of

characteristics

and

plate-power

construction

Nuvistor

remote-Cutoff

triodes

rf-amplifier

The

2DS4 and

performance

are

very

signal

semiremote-cutoff

and

transconductance

power

distortion.

low-noise

micromhos

triodes

requirements.

insures

Triodes

Characteristic

of

the

6DS4,

in

fringe

weak.

gain

at a plate

offer

from

exceptional

These

and a very

characteristic

capabilities

and

excellent

extreme

tube

nuvistor

tubes

in

this

areas

nuvistor

current

to

tube,

In

ruggedness

type

intended

in

vhf

application,

and

other

triodes

low

noise

of

these

of

the

20S4 and

transconductance-

of 7 milliamperes

reliability,

very

addition,

small

tuners

locations

factor.

tubes

excep-

size,

their

and

long-

for

of

pro-

fea-

60S4

all

•

Electrical:

Heater,

Vol

Current
Warm-up

Direct

Grid
Grid
Plate
Plate

Heater

Characteristics,

Plate

Grid

Cathode
Amplification

Plate

Transconductance.
Plate

Grid
Grid

for

Unipotential

tage

(ac

.

time

Interelectrode

to

plate

to

cathode,

to

cathode,

to

cathode.

to

cathode

Supply

Supply

Voltage.

Resistor.

Resistance

Current.

Voltage
Voltage

or

de).

(Average).

.

shell,

Class

Voltage.

Factor.

(Approx.).

(Approx.)
(Approx.)

Cathode:

.

Capacitances

and

shell,

AI

Amplifier:

for
for

heater.

and

plate
plate

GENERAL

(Approx.):

heater

current
current

DATA

= 100
=

la

2DS4

2. 1

0.45

)1a.

8

)1a

±

6%

6DS4

6.3 ± 10%

0.135

0.92

4.3

1.8

0.18

1.6

110

0

130 ohms

63
7000
9000

6.5

-5

-6.8

vol

ts

amp
sec

pf
pf
pf
pf
pf

volts
volts

ohms

)1mhos

ma

volts
volts

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