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Voltage - Triode (single high frequency) ·Triode

DET24

Disc-seal triode for coaxial-line VHF/UHF amplifier and oscillator service to approximately 2 GHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1 A

Description

The Marconi DET24 is a disc-seal triode for coaxial-line vhf/uhf amplifier and oscillator service to 2 ghz.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
1 A
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
Transconductance
0.012 S
Amplification factor
28
Max plate voltage
400 V
Max plate dissipation
20 W
Max grid dissipation
1 W
Max cathode current
600 mA

Highest reliable published rating promoted; remaining microwave/RF operating data 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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater/filament voltage

    6.3 V

  • Heater/filament current

    1 A

  • Maximum plate voltage

    400 V

  • Maximum plate dissipation

    20 W

  • Maximum grid dissipation

    1 W

  • Maximum cathode/plate current

    600 mA

  • Maximum/service frequency

    2000 MHz

  • Peak plate current

    600 mA

Characteristic

  • Amplification factor

    28

  • Transconductance

    12000 uS