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Power - Beam (NOT sweep) ·BeamPower

RK814

Thoriated-filament Raytheon beam tetrode for medium-power RF oscillator and amplifier service, providing about 130 W transmitting output from a 65 W plate-dissipation device.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
10 V / 3.25 A

Description

RK814 is a Raytheon beam tetrode intended for r-f oscillator-amp., with published transmitting-service maximum ratings and capacitances.

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
10 V
Nominal heater current
3.25 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

Beam Power

X-ray radiationInterelectrode capacitances
Max plate voltage
1250 V
Max screen voltage
300 V
Max plate dissipation
65 W

Published transmitting-tube maximum voltages/currents, power ratings and capacitances; R-F Oscillator-Amp..

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

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Filament/heater voltage

    10 V

    Thoriated

  • Filament/heater current

    3.25 A

    Thoriated

Other

  • Maximum plate voltage

    1250 V

    R-F Oscillator-Amp.

  • Maximum grid-1 voltage

    -300 V

    R-F Oscillator-Amp.

  • Maximum grid-2 voltage

    300 V

    R-F Oscillator-Amp.

  • Maximum plate current

    150 mA

    R-F Oscillator-Amp.

  • Maximum grid-1 current

    15 mA

    R-F Oscillator-Amp.

  • Maximum grid-2 current

    34 mA

    R-F Oscillator-Amp.

  • Maximum plate dissipation

    65 W

    R-F Oscillator-Amp.

  • Maximum drive power

    1.5 W

    R-F Oscillator-Amp.

  • Maximum output power

    130 W

    R-F Oscillator-Amp.

Capacitance

  • Grid-to-plate capacitance

    0.12 pF

    Published transmitting-tube table

  • Input capacitance

    13 pF

    Published transmitting-tube table

  • Output capacitance

    10 pF

    Published transmitting-tube table