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Voltage Radio Detector Converter ·Tetrode

6AB9

Twin tetrode designed for VHF RF amplification and autodyne mixer service in receiver front ends.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B10B
Base pins
10
Nominal heater
6.3 V / 365 mA

Description

Twin tetrode for VHF RF amplifiers and VHF autodyne mixers.

Socket description

Decal 10-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B10B
Base pins
10
Nominal heater voltage
6.3 V
Nominal heater current
365 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
110000 Ω
Transconductance
0.01 S
Max plate voltage
250 V
Max screen voltage
180 V
Max plate dissipation
2 W
Max screen dissipation
0.5 W
Max cathode current
20 mA

Published ratings/characteristics promoted from supplied source; additional conditions 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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    365 mA

  • Grid1ToPlateCapacitanceMaximum

    0.055 pF

  • Input Capacitance

    5.7 pF

  • Output Capacitance

    2.7 pF

  • Heater To Cathode Capacitance

    3 pF

  • Transconductance

    10000 uS

    EachUnit

  • Plate Resistance

    0.11 Mohm

    EachUnit

Other

  • Plate Voltage

    125 V

    EachUnit

  • Screen Voltage

    80 V

    EachUnit

  • Grid1 Voltage

    -1 V

    EachUnit

  • Plate Current

    8 mA

    EachUnit

  • Screen Current

    2 mA

    EachUnit