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Power - Triode (over 1000V 100W) ·Triode

TA1210000

Large water-cooled directly heated transmitting triode for high-power telegraph and telephone transmitters. Approximately 12 kW plate dissipation, 12 kV capability, and an exceptionally heavy filament support very high continuous RF power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
22 V / 38.5 A

Description

Directly heated water-cooled transmitting triode for high-power telegraphy and telephony transmitters. The anode forms part of the external wall and the sheet specifies up to 12 kW anode dissipation with detailed electrical characteristics.

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
22 V
Nominal heater current
38.5 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
Plate resistance
4000 Ω
Transconductance
0.01 S
Amplification factor
40
Max plate voltage
12000 V
Max plate dissipation
12000 W

Water-cooled transmitting triode

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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • enlevée et la dissipation anodique peut atteindre

    12 kW

  • de

    15 kW

  • modulation désirée, de [1]

    15 a

    Modulator

  • modulation désirée, de [2]

    6 kW

    Modulator

  • Tension de chauffage . , vf env

    22 V

  • Courant de chauffage . if env

    385 A

  • Courant de saturation . iy env

    5 A

  • Dissipation anodique . W,

    12000 W

  • Dissipation anodique d’essai . . Wgot

    15000 W

  • Inclinaison . . env

    10 mA

  • Tension de saturation dans le plan de la grille . . Vg env

    1000 V