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Power - Tetrode (NOT beam) ·Tetrode

QB3200

Radiation-cooled transmitting tetrode for RF or AF power-amplifier service. Its heavy filament and substantial dissipation suit professional transmitter equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / 3.5 A

Description

Radiation-cooled transmitting tetrode for RF or AF amplifier service.

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 V
Nominal heater current
3.5 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

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.004 S
Max plate voltage
3000 V
Max screen voltage
400 V

Promoted where the locked schema directly matches published RF values; frequency/service-specific limits and operating conditions are retained as parameter rows.

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

1963 Philips Electron Tubes Handbook V4

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Maximum plate voltage

    3000 V

    RFPowerTube

  • Maximum screen voltage

    400 V

    RFPowerTube

  • Application

    Radiation-cooled transmitting tetrode for RF or AF amplifier service.

    SourceDescription

  • Service category

    RF/AF power service as specified in source

    RFPowerTube

  • Heater/filament voltage

    6 V

    RFPowerTube

  • Heater/filament current

    3.5 A

    RFPowerTube

Construction

  • Heating method

    Direct

    RFPowerTube

  • Device class

    Tetrode

    RFPowerTube

Characteristic

  • Transconductance

    4000 µS

    RFPowerTube

Capacitance

  • Plate capacitance

    2.1 pF

    RFPowerTube

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Capacites Ca

    2.1 pF

    Capacites Ca = 2,1 pF