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Voltage - Triode (single) ·Triode

4022AR

Closer-limit directly heated oxide-filament triode built to the 4022-AR specification, with published audio operating, output, and harmonic-performance data.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
4
Nominal heater
4 V / 250 mA

Description

Standard Valves 4022AR is an oxide-coated directly heated triode. The sheet publishes its filament rating, static constants, interelectrode capacitances, and a table of typical anode/grid/load operating conditions with output and harmonic performance. Oxide-coated filament triode made to the closer-limit 4022-AR specification.

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
4
Nominal heater voltage
4 V
Nominal heater current
250 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
5500 Ω
Transconductance
0.0022 S
Amplification factor
12
Max plate voltage
190 V

Published ratings/characteristics promoted; remaining useful source values represented as parameters.

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

1937 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid-Anode Capacitance

    9.6 pF

    Published specification

  • Anode-Filament Capacitance

    4.3 pF

    Published specification

  • Grid-Filament Capacitance

    8.1 pF

    Published specification

Characteristics

  • Characteristic Anode Voltage

    130 V

    For impedance/amplification factor/transconductance values

  • Characteristic Grid Bias

    -4.5 V

    For impedance/amplification factor/transconductance values

Other

  • Output Power

    67 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=6500ohm

  • Second Harmonic Below Fundamental

    27 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=6500ohm

  • Third Harmonic Below Fundamental

    47 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=6500ohm

  • Output Power

    65 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=13000ohm

  • Second Harmonic Below Fundamental

    35 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=13000ohm

  • Third Harmonic Below Fundamental

    48 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=13000ohm

  • Output Power

    63 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=19500ohm

  • Second Harmonic Below Fundamental

    38 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-6V; AnodeCurrent=3.5mA; LoadResistance=19500ohm

  • Output Power

    120 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=5000ohm

  • Second Harmonic Below Fundamental

    18 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=5000ohm

  • Third Harmonic Below Fundamental

    30 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=5000ohm

  • Output Power

    90 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=10000ohm

  • Second Harmonic Below Fundamental

    20 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=10000ohm

  • Third Harmonic Below Fundamental

    35 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=10000ohm

  • Output Power

    75 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=15000ohm

  • Second Harmonic Below Fundamental

    33 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-4.5V; AnodeCurrent=6.5mA; LoadResistance=15000ohm

  • Output Power

    60 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=4000ohm

  • Second Harmonic Below Fundamental

    16 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=4000ohm

  • Third Harmonic Below Fundamental

    35 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=4000ohm

  • Output Power

    50 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=8000ohm

  • Second Harmonic Below Fundamental

    16 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=8000ohm

  • Third Harmonic Below Fundamental

    36 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=8000ohm

  • Output Power

    30 mW

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=12000ohm

  • Second Harmonic Below Fundamental

    26 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=12000ohm

  • Third Harmonic Below Fundamental

    45 dB

    TypicalOperatingConditions; PlateVoltage=130V; GridBias=-3V; AnodeCurrent=10.6mA; LoadResistance=12000ohm

  • Output Power

    110 mW

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=4000ohm

  • Second Harmonic Below Fundamental

    34 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=4000ohm

  • Third Harmonic Below Fundamental

    40 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=4000ohm

  • Output Power

    100 mW

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=8000ohm

  • Second Harmonic Below Fundamental

    38 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=8000ohm

  • Third Harmonic Below Fundamental

    45 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=8000ohm

  • Output Power

    80 mW

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=12000ohm

  • Second Harmonic Below Fundamental

    41 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-6V; AnodeCurrent=8.8mA; LoadResistance=12000ohm

  • Output Power

    120 mW

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=4000ohm

  • Second Harmonic Below Fundamental

    20 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=4000ohm

  • Third Harmonic Below Fundamental

    33 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=4000ohm

  • Output Power

    100 mW

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=8000ohm

  • Second Harmonic Below Fundamental

    20 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=8000ohm

  • Third Harmonic Below Fundamental

    37 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=8000ohm

  • Output Power

    85 mW

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=12000ohm

  • Second Harmonic Below Fundamental

    40 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=12000ohm

  • Third Harmonic Below Fundamental

    50 dB

    TypicalOperatingConditions; PlateVoltage=160V; GridBias=-4.5V; AnodeCurrent=13.2mA; LoadResistance=12000ohm

  • Output Power

    160 mW

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=4000ohm

  • Second Harmonic Below Fundamental

    34 dB

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=4000ohm

  • Third Harmonic Below Fundamental

    41 dB

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=4000ohm

  • Output Power

    125 mW

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=8000ohm

  • Second Harmonic Below Fundamental

    33 dB

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=8000ohm

  • Third Harmonic Below Fundamental

    44 dB

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=8000ohm

  • Output Power

    85 mW

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=12000ohm

  • Second Harmonic Below Fundamental

    46 dB

    TypicalOperatingConditions; PlateVoltage=190V; GridBias=-6V; AnodeCurrent=16.2mA; LoadResistance=12000ohm

Data set 02

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater/filament voltage

    4 V

  • Heater/filament current

    250 mA

  • Plate resistance

    5500 ohm

  • Transconductance

    0.0022 A/V

  • Amplification factor

    12

Other

  • Maximum direct anode voltage

    190 V