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

806

Transmitting power triode intended for RF amplifier and oscillator service, with manufacturer ratings emphasizing radio-frequency output, substantial plate loading, and professional transmitter operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
UX4
Base pins
4
Nominal heater
5 V / 10 A

Description

High-power thoriated-tungsten triode for audio-frequency modulator and RF amplifier or oscillator 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
4
Nominal heater voltage
5 V
Nominal heater current
10 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
12.6
Max plate voltage
3000 V
Max plate dissipation
150 W
Max cathode current
305 mA

Published ratings and characteristics from source sheet.

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 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • frequencies as high as

    30 MHz

    frequencies as high as 30 megacycles. The maximum plate dissipation is 150 watts

  • D-C Plate Voltage

    3000 V

    D-C Plate Voltage . 3000 max. Volts

  • Zero-big. D-G Plate Current.-.. - 20

    20 mA

    Zero-big. D-G Plate Current.-.. - 20 20 Milliamperes

  • Load Resistance (Per tube) . . 2875

    5375 Ω

    Load Resistance (Per tube) . . 2875 5375 Ohms

  • Effective Load Res. (Plate-to-plate) .. .. 11500

    21500 Ω

    Effective Load Res. (Plate-to-plate) .. .. 11500 21500 Ohms

  • D-C Plate Voltage

    3000 V

    D-C Plate Voltage ... 3000 max. Volts

  • D-C Plate Current

    150 mA

    D-C Plate Current... 150 max. Milliamperes

  • Plate Dissipation

    150 W

    Plate Dissipation .. . 150 max. Watts

  • D-C Grid VoltageS ..... -150

    -240 V

    D-C Grid VoltageS ..... -150 -240 Volts

  • D-C Grid Current (Approx.) ■■min...... 1

    0 mA

    D-C Grid Current (Approx.) ■■min...... 1 0 Milliampere

  • D-C Plate Voltage

    2500 V

    D-C Plate Voltage .. 2500 max. Volts

  • D-C Grid Voltace

    -1000 V

    D-C Grid Voltace . . -1000 max. Volts

  • D-C Grid Current

    50 mA

    D-C Grid Current . 50 max. Milliamperes

  • Plate Input

    500 W

    Plate Input . 500 max. Watts

  • Plate Dissipation

    110 W

    Plate Dissipation . 110 max. Watts

  • D-C Plate Voltage . . 2000

    2500 V

    D-C Plate Voltage . . 2000 2500 Volts

  • Peak R-F Grid Voltage .-.. . 790

    890 V

    Peak R-F Grid Voltage .-.. . 790 890 Volts

  • D-C Plate Current ...... 195

    195 mA

    D-C Plate Current ...... 195 195 Milliamperes

  • D-C Grid Current (Approx.) . . 40

    40 mA

    D-C Grid Current (Approx.) . . 40 40 Milliamperes

  • Driving Power (Approx.) . 28

    32 W

    Driving Power (Approx.) . 28 32 Watts

  • Power Output (Approx.) .... 300

    390 W

    Power Output (Approx.) .... 300 390 Watts

  • I D-C Plate Current

    200 mA

    I D-C Plate Current.. 200 max. Milliamperes

  • Plate Input

    600 W

    Plate Input.. .... 600 max. Watts

  • Plate Dissipation

    150 W

    Plate Dissipation .. . 150 max. Watts

  • D-C Plate Current -- 195 195

    195 mA

    D-C Plate Current -- 195 195 195 Milliamperes

  • each stated value of grid voltage should be decreased by

    5.5 V

    each stated value of grid voltage should be decreased by 5.5 volts and the circuit returns connected to the

  • For high-frequency operation above

    30 MHz

    For high-frequency operation above 30 megacycles, see page 144.

Data set 02

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum full-rating frequency

    100 MHz

  • Maximum signal power output

    1120 W

    ClassB

Data set 03

1956 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum Plate Voltage

    3300 V

  • Maximum Plate Dissipation

    225 W

  • Maximum Cathode Current

    305 mA

  • Full-Input Operating Frequency Maximum

    30 MHz

  • Power Output

    215 W

    ClassC,RF