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Power - Triode ·Triode

RK11

Raytheon transmitting triode for RF power amplification, oscillation, and frequency multiplication. Rated around 25 W plate dissipation and 750 V, published RF output reaches approximately 55 W.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
UX4
Base pins
-
Nominal heater
6.3 V / 3 A

Description

Power triode for RF power amplification, oscillation, and frequency-multiplier service.

Socket description

Medium-shell UX 4-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
UX4
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
3 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
Amplification factor
20
Max plate voltage
750 V
Max plate dissipation
25 W

Published ratings and characteristics promoted from the approved Raytheon source.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    3 A

    Nominal

  • Maximum Plate Voltage

    750 V

  • Maximum Plate Dissipation

    25 W

  • Maximum Frequency

    60 MHz

    Full ratings or reduced-voltage operation as published

Characteristic

  • Amplification Factor

    20

    Typical

Data set 02

1938 Raytheon Amateur

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • RFOutputPower

    55 W

Application

  • Application

    RFPower_Oscillator_FrequencyMultiplier text