Skip to main content

Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode

6AW7GT

Receiving tube combining radio signal detection or control-voltage rectification with associated voltage amplification. Its detector function is integral to receiver signal processing and supports classification within the radio detector/converter family.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
8CO
Socket code
-
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Double-diode high-mu triode receiving tube.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
8CO
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

8CO - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

3 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
80000 Ω
Transconductance
0.0012 S
Amplification factor
80
Max plate voltage
300 V

Values promoted only where clearly published for this section in the approved source.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Values promoted only where clearly published for this section in the approved source.

Section 3

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Values promoted only where clearly published for this section in the approved source.

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

1938 National Union

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Grid to Dicde Plate No

    1 ppf

    Published source value; see source line context.

  • Heater Current . ... it e mmaaee

    0.3 Ma

    Published source value; see source line context.

  • Average Diode Current with

    3 Ma

    Published source value; see source line context.

Other

  • Heater Voltage (ac or dc) . _ ... ... . ..... §

    3 Volts

    Published source value; see source line context.

  • Published value

    300 Volts

    Published source value; see source line context.

  • Maximum Heater Cathode Voltage

    90 Volts

    Published source value; see source line context.

  • Moximum Diode Plate Dissipation

    0.5 Watt

    Published source value; see source line context.

  • Maximum continuous Diode Current (each diode)

    1 Ma

    Published source value; see source line context.

  • Heater Voltage . .. .. .. .o i i

    6.3 Volts

    Published source value; see source line context.

  • Plate Voltage . ..o it e e

    100 Volts

    Published source value; see source line context.

  • e

    1.4 Ma

    Published source value; see source line context.

  • TranscondUCEaRCe . . ee e e e e e e eaaaaa

    1200 umhos

    Published source value; see source line context.

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    100 V

    ClassA

  • Grid voltage

    -1 V

    ClassA

  • Plate current

    0.5 mA

    ClassA

Characteristic

  • Amplification factor

    100

    ClassA