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

833

High-power transmitting triode from the 833 family, historically intended for RF power amplification, oscillation, and transmitter modulation. Available documentation supports the functional role but not sufficiently reliable detailed ratings for this exact designation.

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

Description

High-mu transmitting triode for high-power RF, oscillator, and Class B modulator 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
10 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
35
Max plate voltage
3000 V
Max plate dissipation
300 W

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

  • watts at frequencies as high as

    30 MHz

    watts at frequencies as high as 30 megacycles, and with reduced input at fre¬

  • quencies as high as

    100 MHz

    quencies as high as 100 megacycles.

  • Peak A-F Grid-to-Grid Voltage . 380 300

    400 V

    Peak A-F Grid-to-Grid Voltage . 380 300 400 Volts

  • Zero-Sig. D-C Plate Current .. 100 100

    100 mA

    Zero-Sig. D-C Plate Current .. 100 100 100 Milliamperes

  • Max.-Sig. D-C Plate Current ...... 800 520

    750 mA

    Max.-Sig. D-C Plate Current ...... 800 520 750 Milliamperes

  • Load Resistance (Per tube) . 1825 2600

    2375 Ω

    Load Resistance (Per tube) . 1825 2600 2375 Ohms

  • Effective Load Res. (Plate-to-plate) 7300 10400

    9500 Ω

    Effective Load Res. (Plate-to-plate) 7300 10400 9500 Ohms

  • Max.-Sig. Driving Power (Approx.) 15 5

    20 W

    Max.-Sig. Driving Power (Approx.) 15 5 20 Watts

  • Max.-Sig. Power Output (Approx.) 1425 840

    1650 W

    Max.-Sig. Power Output (Approx.) 1425 840 1650 Watts

  • Plate Input

    450 W

    Plate Input ... 450 max. Watts

  • Peak R-F Grid Voltage ... 80

    90 V

    Peak R-F Grid Voltage ... 80 90 Volts

  • D-C Plate Current...--- 150

    150 mA

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

  • D-C Grid Current (Approx.) . 2

    2 mA

    D-C Grid Current (Approx.) . 2 2 Milliamperes

  • Power Output (Approx.) --- 125

    150 W

    Power Output (Approx.) --- 125 150 Watts

  • D-C Plate Voltage

    2500 V

    D-C Plate Voltage ... 2500 max. Volts

  • D-C Grid Voltage

    -500 V

    D-C Grid Voltage....... -500 max. Volts

  • D-C Plate Current

    400 mA

    D-C Plate Current .....-. 400 max. Milliamperes

  • D C Grid Current

    75 mA

    D C Grid Current.-...... 75 max. Milliamperes

  • Plate Input

    835 W

    Plate Input..... 835 max. Watts

  • Driving Power (Approx.) .. .. 30

    30 W

    Driving Power (Approx.) .. .. 30 30 Watts

  • Power Output (Approx.) .... 550

    635 W

    Power Output (Approx.) .... 550 635 Watts

  • D-C Plate Current

    500 mA

    D-C Plate Current. 500 max. Milliamperes

  • D-C Grid Current

    75 mA

    D-C Grid Current. -- 75 max. Milliamperes

  • Plate Dissipation . ..... . .... r

    300 W

    Plate Dissipation . ..... . .... r. 300 max. Watts

  • D-C Plate Voltage.. ..... 2500

    3000 V

    D-C Plate Voltage.. ..... 2500 3000 Volts

  • D-C Grid Voltage .. ..... -200

    -200 V

    D-C Grid Voltage .. ..... -200 -200 Volts

  • Peak R-F Grid Voltage .. . 390

    360 V

    Peak R-F Grid Voltage .. . 390 360 Volts

  • D-C Plate Current. . 475

    415 mA

    D-C Plate Current. . 475 415 Milliamperes

  • D-C Grid Current (Approx.) . 65

    55 mA

    D-C Grid Current (Approx.) . 65 55 Milliamperes

  • Driving Power (Approx.) . . 25

    20 W

    Driving Power (Approx.) . . 25 20 Watts

  • each stated value of grid voltage should be decreased by

    7 V

    each stated value of grid voltage should be decreased by 7 volts and the circuit returns made to the