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Power - Beam (NOT sweep) ·BeamPower

6146A

Improved 6146-family beam-power transmitting tube for RF amplification, oscillation, frequency multiplication, and communications transmitter output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
B8-150
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 1.25 A

Description

RF transmitting beam power tube for Class-C and linear RF power-amplifier service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
B8-150
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
1.25 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B8-150 - 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

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.007 S
Amplification factor
4.5
Max plate voltage
750 V
Max screen voltage
250 V
Max plate dissipation
25 W
Max screen dissipation
3 W
Max cathode current
135 mA

Published ratings and characteristics promoted where clearly applicable; additional published values retained 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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal value

  • Heater or filament current

    1.25 A

    Published nominal value

  • Transconductance

    7000 µS

    Published operating characteristic

  • Maximum frequency with reduced input

    175 MHz

    Published

Other

  • Maximum plate dissipation

    25 W

    Published maximum rating

  • Maximum CW input

    90 W

    ICAS; up to 60 MHz

  • Application

    RF amplifier/oscillator; AF amplifier/modulator

    Published

Data set 02

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    1.25 A

Other

  • MaximumOperatingFrequency

    175 MHz

  • Power Output

    70 W

    ClassC;ICAS

Data set 03

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • AverageTransconductance

    7000 uS

    PlateVoltage=200V; ScreenVoltage=200V

  • Average Plate Current

    100 mA

    PlateVoltage=200V; ScreenVoltage=200V

  • st rree s rr e s s ras ee e e s re s searaan s aea e s rensas

    200 V

  • Ef

    6.3 V

Other

  • The

    6146 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • npu1

    13.5 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • L6 T T ST

    8.5 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • Bulb Temperature at Hottest Point

    2200 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • xz Pin

    1 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • Pin

    4 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • Pin

    6 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • Pin

    7 C

    The 6146-A is a beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an

  • Grid Number

    1 C

  • Grid-Number

    1 C

    AUDIO-FREQUENCY POWER AMPLIFIER AND MODULATOR CLASS AB,

  • Plate Input

    675 W

  • Plate Dissipation

    16.7 W

  • Grid-Number

    1 C

  • number

    1 C

  • t Obtained from grid number

    1 C

Data set 04

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    1.25 A

    Nominal

  • Maximum Plate Voltage

    750 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    25 W

  • Maximum Screen Dissipation

    3 W

  • Maximum Cathode Current

    135 mA

  • RFOutputPower

    82 W

    TwoTubes; ClassC; 600 V plate

  • MaximumPlateVoltageICAS

    750 V

    ICAS

Characteristic

  • Transconductance

    7000 µS

    Typical