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Voltage Radio Detector Converter ·Tetrode

S410

General-purpose screen-grid valve usable as detector or high- and low-frequency amplifier, providing flexible signal processing in early radio receiving equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
-
Nominal heater
4 V / 100 mA

Description

General-purpose screen-grid valve usable as detector or H.F./L.F. amplifier.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4
Base pins
-
Nominal heater voltage
4 V
Nominal heater current
100 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances
Plate resistance
60000 Ω
Transconductance
0.00066 S

Published maximum ratings and characteristics audited; remaining useful numerical data retained in parameter table.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • [MARCONI]- I $ [1]

    410

    [MARCONI]- I $410, Screen Grid, 20/-

  • [MARCONI]- I $ [2]

    20

    [MARCONI]- I $410, Screen Grid, 20/-

  • S$ [1]

    4

    S$4I10 S410 is a general purpose screen grid

  • S$ [2]

    0

    S$4I10 S410 is a general purpose screen grid

  • S$ [3]

    10

    S$4I10 S410 is a general purpose screen grid

  • FINAMENT CURRENT

    1 A

    FINAMENT CURRENT 01 AMP Lt H.F. amplifiers.

  • ANODE VOLTS(EA)

    150

    -ANODE VOLTS(EA) 150 MAX |

  • IMPEDANCE

    200000 ohm

    IMPEDANCE 200,000 OHMS

  • ANODE VOLTS the

    4

    ANODE VOLTS the 4 volt range, equally efficient as

  • FILAMENT VOLTS =

    40

    FILAMENT VOLTS = 40

  • FILAMENT VOLTS [1]

    40

    FILAMENT VOLTS 40 MAX. ||| MAX ANODE vOLTS - I50

  • FILAMENT VOLTS [2]

    0

    FILAMENT VOLTS 40 MAX. ||| MAX ANODE vOLTS - I50

  • FILAMENT CURRENT O AMPERE X AMPLIFICATION FACTOR =

    25 A

    FILAMENT CURRENT O AMPERE X AMPLIFICATION FACTOR =25 /_ ]/

  • ANODE VOLTS (EA) [1]

    150 ohm

    ANODE VOLTS (EA) 150 MAX. / |- IMPEDANCE = 20,800 OHMs

  • ANODE VOLTS (EA) [2]

    20800 ohm

    ANODE VOLTS (EA) 150 MAX. / |- IMPEDANCE = 20,800 OHMs

  • AT EA [1]

    100 mA/V

    AT EA.100 avo £6.0 4 |3 }—{x MUTUAL CONDUCTANCE

  • AT EA [2]

    6 mA/V

    AT EA.100 avo £6.0 4 |3 }—{x MUTUAL CONDUCTANCE

  • AT EA [3]

    4 mA/V

    AT EA.100 avo £6.0 4 |3 }—{x MUTUAL CONDUCTANCE

  • AT EA [4]

    3 mA/V

    AT EA.100 avo £6.0 4 |3 }—{x MUTUAL CONDUCTANCE

  • | &

    4 mA/V

    | &4 MUTUAL CONDUCTANCE