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Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode

8166

High-power radial-beam transmitting tetrode for amplifier, oscillator, and modulator service, capable of multi-kilowatt output and FM broadcast operation around 110 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
METALSHELL5
Base pins
5
Nominal heater
7.5 V / 21.3 A

Description

The EIMAC 8166/4-1000A is a radial-beam tetrode with a maximum plate dissipation rating of 1000 watts. Intended for use as an amplifier, oscillator, or modulator, the 8166/4-1000A is capable of efficient operation In FM broadcast service on 110 Megahertz, two 8166/4-1000A tet- rodes will deliver a useful output power of over 5000 watts. Operating under class AB, modulator conditions with less than 10

Socket description

5-contact metal-shell transmitting-tube base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
METALSHELL5
Base pins
5
Nominal heater voltage
7.5 V
Nominal heater current
21.3 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

Tetrode

X-ray radiationInterelectrode capacitances
Amplification factor
6.9
Max plate voltage
6000 V
Max screen voltage
1000 V
Max plate dissipation
1000 W
Max screen dissipation
75 W
Max grid dissipation
25 W

Promoted maximum ratings/characteristics populated from published headings; service-specific values retained in parameters.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • plate dissipation rating of

    1000 W

    plate dissipation rating of 1000 watts. Intended for use as an amplifier,

  • rodes will deliver a useful output power of over

    5000 W

    rodes will deliver a useful output power of over 5000 watts.

  • watts of peak driving power, two of these tubes will deliver

    3900 W

    watts of peak driving power, two of these tubes will deliver 3900 watts of

  • Voltage - - - - - - - -«

    7.5 V

    Voltage - - - - - - - -« - - - . 7.5 volts

  • Current [1]

    20 A

    Current - - - - - - - - - - - - 20.0 22.7 amperes

  • Current [2]

    22.7 A

    Current - - - - - - - - - - - - 20.0 22.7 amperes

  • Amplification Factor (Grid to Screen) [1]

    6.1

    Amplification Factor (Grid to Screen) - - - - - - 6.1 7.7

  • Amplification Factor (Grid to Screen) [2]

    7.7

    Amplification Factor (Grid to Screen) - - - - - - 6.1 7.7

  • Input S T T B T T [1]

    23.8 pF

    Input S T T B T T 23.8 324 uuf

  • Input S T T B T T [2]

    324 pF

    Input S T T B T T 23.8 324 uuf

  • Output - - - - - - =« - - = [1]

    6.8

    Output - - - - - - =« - - = - - 6.8 9.4 puuf

  • Output - - - - - - =« - - = [2]

    9.4

    Output - - - - - - =« - - = - - 6.8 9.4 puuf

  • Transconductance (I,= [1]

    300 mA

    Transconductance (I,=300 ma) - - - - - - - 10,000 pmhos

  • Transconductance (I,= [2]

    10000 mA

    Transconductance (I,=300 ma) - - - - - - - 10,000 pmhos

  • Highest Frequency for Maximum Ratings

    110 MHz

    Highest Frequency for Maximum Ratings - - - - - 110 MHz

  • DC PLATE VOLTAGE [1]

    60 V

    DC PLATE VOLTAGE - 60 00 VOLTS

  • DC PLATE VOLTAGE [2]

    0 V

    DC PLATE VOLTAGE - 60 00 VOLTS

  • DC SCREEN VOLTAGE [1]

    10 V

    DC SCREEN VOLTAGE - 10 00 VOLTS

  • DC SCREEN VOLTAGE [2]

    0 V

    DC SCREEN VOLTAGE - 10 00 VOLTS

  • DC GRID VOLTAGE [1]

    -5 V

    DC GRID VOLTAGE - - —5 00 VOLTS

  • DC GRID VOLTAGE [2]

    0 V

    DC GRID VOLTAGE - - —5 00 VOLTS

  • DC PLATE CURRENT

    700 mA

    DC PLATE CURRENT - - 700 MA

  • PLATE DISSIPATION

    1000 W

    PLATE DISSIPATION - 1000 WATTS

  • SCREEN DISSIPATION

    75 W

    SCREEN DISSIPATION - 75 WATTS

  • GRID DISSIPATION

    25 W

    GRID DISSIPATION - - 25 WATTS

  • one tube) DC Plate Voltage [1]

    4000 V

    one tube) DC Plate Voltage - - - - - - . 4000 5000 6000 volts

  • one tube) DC Plate Voltage [2]

    5000 V

    one tube) DC Plate Voltage - - - - - - . 4000 5000 6000 volts

  • one tube) DC Plate Voltage [3]

    6000 V

    one tube) DC Plate Voltage - - - - - - . 4000 5000 6000 volts

  • DC Plate Voltage [1]

    3000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Plate Voltage [2]

    4000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Plate Voltage [3]

    5000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Plate Voltage [4]

    6000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Plate Voltage [5]

    450 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Plate Voltage [6]

    500 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Plate Voltage [7]

    500 V

    DC Plate Voltage - - - - - - 3000 4000 5000 6000 volts DC Screen Voltage L 450 500 500 volts

  • DC Screen Voltage - e e e [1]

    500 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Screen Voltage - e e e [2]

    500 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Screen Voltage - e e e [3]

    500 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Screen Voltage - e e e [4]

    500 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Screen Voltage - e e e [5]

    -150 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Screen Voltage - e e e [6]

    -160 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Screen Voltage - e e e [7]

    -180 V

    DC Screen Voltage - e e e . 500 500 500 500 volts DC Grid Voltage - - - - . . - —150 -—160 —180 volts

  • DC Grid Voltage [1]

    -150 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Grid Voltage [2]

    150 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Grid Voltage [3]

    -200 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Grid Voltage [4]

    -200 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Grid Voltage [5]

    1.15 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Grid Voltage [6]

    1.25 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Grid Voltage [7]

    1.25 V

    DC Grid Voltage - - - - - . —150 =150 —200 —200 volts DOC Plate Cyrrent - - - .- - . . 1.15 1.25 1.25 amps

  • DC Plate Current - - - - =« [1]

    700 mA

    DC Plate Current - - - - =« - 700 700 700 ma DC Screen Current N L 280 240 250 ma

  • DC Plate Current - - - - =« [2]

    700 mA

    DC Plate Current - - - - =« - 700 700 700 ma DC Screen Current N L 280 240 250 ma

  • DC Plate Current - - - - =« [3]

    700 mA

    DC Plate Current - - - - =« - 700 700 700 ma DC Screen Current N L 280 240 250 ma

  • DC Plate Current - - - - =« [4]

    280 mA

    DC Plate Current - - - - =« - 700 700 700 ma DC Screen Current N L 280 240 250 ma

  • DC Plate Current - - - - =« [5]

    240 mA

    DC Plate Current - - - - =« - 700 700 700 ma DC Screen Current N L 280 240 250 ma

  • DC Plate Current - - - - =« [6]

    250 mA

    DC Plate Current - - - - =« - 700 700 700 ma DC Screen Current N L 280 240 250 ma

  • DC Screen Current - -« [1]

    146 mA

    DC Screen Current - -« - - 146 140 ma DC Grid Current - - - - e - 80 80 100 ma

  • DC Screen Current - -« [2]

    140 mA

    DC Screen Current - -« - - 146 140 ma DC Grid Current - - - - e - 80 80 100 ma

  • DC Screen Current - -« [3]

    80 mA

    DC Screen Current - -« - - 146 140 ma DC Grid Current - - - - e - 80 80 100 ma

  • DC Screen Current - -« [4]

    80 mA

    DC Screen Current - -« - - 146 140 ma DC Grid Current - - - - e - 80 80 100 ma

  • DC Screen Current - -« [5]

    100 mA

    DC Screen Current - -« - - 146 140 ma DC Grid Current - - - - e - 80 80 100 ma

  • DC Grid Current - - - - .« [1]

    38 mA

    DC Grid Current - - - - .« . 38 42 ma Screen Dissipation (per 1ube) - - - - 63 60 63 watts

  • DC Grid Current - - - - .« [2]

    42 mA

    DC Grid Current - - - - .« . 38 42 ma Screen Dissipation (per 1ube) - - - - 63 60 63 watts

  • DC Grid Current - - - - .« [3]

    1 mA

    DC Grid Current - - - - .« . 38 42 ma Screen Dissipation (per 1ube) - - - - 63 60 63 watts

  • DC Grid Current - - - - .« [4]

    63 mA

    DC Grid Current - - - - .« . 38 42 ma Screen Dissipation (per 1ube) - - - - 63 60 63 watts

  • DC Grid Current - - - - .« [5]

    60 mA

    DC Grid Current - - - - .« . 38 42 ma Screen Dissipation (per 1ube) - - - - 63 60 63 watts

  • DC Grid Current - - - - .« [6]

    63 mA

    DC Grid Current - - - - .« . 38 42 ma Screen Dissipation (per 1ube) - - - - 63 60 63 watts

  • Screen Dissipation B [1]

    73 W

    Screen Dissipation B 73 70 watts Driving Power (approx.) - - - - - 350 400 400 watts

  • Screen Dissipation B [2]

    70 W

    Screen Dissipation B 73 70 watts Driving Power (approx.) - - - - - 350 400 400 watts

  • Screen Dissipation B [3]

    350 W

    Screen Dissipation B 73 70 watts Driving Power (approx.) - - - - - 350 400 400 watts

  • Screen Dissipation B [4]

    400 W

    Screen Dissipation B 73 70 watts Driving Power (approx.) - - - - - 350 400 400 watts

  • Screen Dissipation B [5]

    400 W

    Screen Dissipation B 73 70 watts Driving Power (approx.) - - - - - 350 400 400 watts

  • Grid Dissipation - - e e [1]

    5 W

    Grid Dissipation - - e e . 5 6 watts Plate Input Power D L - 4600 6250 7500 watts

  • Grid Dissipation - - e e [2]

    6 W

    Grid Dissipation - - e e . 5 6 watts Plate Input Power D L - 4600 6250 7500 watts

  • Grid Dissipation - - e e [3]

    4600 W

    Grid Dissipation - - e e . 5 6 watts Plate Input Power D L - 4600 6250 7500 watts

  • Grid Dissipation - - e e [4]

    6250 W

    Grid Dissipation - - e e . 5 6 watts Plate Input Power D L - 4600 6250 7500 watts

  • Grid Dissipation - - e e [5]

    7500 W

    Grid Dissipation - - e e . 5 6 watts Plate Input Power D L - 4600 6250 7500 watts

  • Peak RF Grid Input Voltage (approx.) [1]

    290 V

    Peak RF Grid Input Voltage (approx.) - 290 350 volts Plate Dissipation (per tube) - - - - 650 850 900 watts

  • Peak RF Grid Input Voltage (approx.) [2]

    350 V

    Peak RF Grid Input Voltage (approx.) - 290 350 volts Plate Dissipation (per tube) - - - - 650 850 900 watts

  • Peak RF Grid Input Voltage (approx.) [3]

    650 V

    Peak RF Grid Input Voltage (approx.) - 290 350 volts Plate Dissipation (per tube) - - - - 650 850 900 watts

  • Peak RF Grid Input Voltage (approx.) [4]

    850 V

    Peak RF Grid Input Voltage (approx.) - 290 350 volts Plate Dissipation (per tube) - - - - 650 850 900 watts

  • Peak RF Grid Input Voltage (approx.) [5]

    900 V

    Peak RF Grid Input Voltage (approx.) - 290 350 volts Plate Dissipation (per tube) - - - - 650 850 900 watts

  • Driving Power (approx.)* - - - - n [1]

    15 W

    Driving Power (approx.)* - - - - n 15 watts Useful Output Power - - - . - . 3000 4200 5200 watts

  • Driving Power (approx.)* - - - - n [2]

    3000 W

    Driving Power (approx.)* - - - - n 15 watts Useful Output Power - - - . - . 3000 4200 5200 watts

  • Driving Power (approx.)* - - - - n [3]

    4200 W

    Driving Power (approx.)* - - - - n 15 watts Useful Output Power - - - . - . 3000 4200 5200 watts

  • Driving Power (approx.)* - - - - n [4]

    5200 W

    Driving Power (approx.)* - - - - n 15 watts Useful Output Power - - - . - . 3000 4200 5200 watts

  • Plate Dissipation - - . « [1]

    670 W

    Plate Dissipation - - . « - . 670 800 watts ment in operating equipment. The output power is useful power measured in a

  • Plate Dissipation - - . « [2]

    800 W

    Plate Dissipation - - . « - . 670 800 watts ment in operating equipment. The output power is useful power measured in a

  • Plate Output Power [1]

    1430 W

    Plate Output Power - - - - - 1430 3400 watts load circuit. The driving power is that taken by the tube and a practical reso-

  • Plate Output Power [2]

    3400 W

    Plate Output Power - - - - - 1430 3400 watts load circuit. The driving power is that taken by the tube and a practical reso-

  • *Apparent driving power requirements increase above [1]

    30 MHz

    *Apparent driving power requirements increase above 30 MHz. At 110 MHz the nant circuit. In many cases with further refinement and improved techniques,

  • *Apparent driving power requirements increase above [2]

    110 MHz

    *Apparent driving power requirements increase above 30 MHz. At 110 MHz the nant circuit. In many cases with further refinement and improved techniques,

  • PLATE-MODULATED RADIO-FREQUENCY TYPICAL OPERATION (Frequencies below

    110

    PLATE-MODULATED RADIO-FREQUENCY TYPICAL OPERATION (Frequencies below 110MHz, one tube)

  • DC Plate Voltage [1]

    3000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 5500*volts

  • DC Plate Voltage [2]

    4000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 5500*volts

  • DC Plate Voltage [3]

    5000 V

    DC Plate Voltage - - - - - - 3000 4000 5000 5500*volts

  • DC Plate Voltage [4]

    5500 V

    DC Plate Voltage - - - - - - 3000 4000 5000 5500*volts

  • AMPLIFIER DC Screen Voltage [1]

    500 V

    AMPLIFIER DC Screen Voltage - - - - - 500 500 500 500 volts

  • AMPLIFIER DC Screen Voltage [2]

    500 V

    AMPLIFIER DC Screen Voltage - - - - - 500 500 500 500 volts

  • AMPLIFIER DC Screen Voltage [3]

    500 V

    AMPLIFIER DC Screen Voltage - - - - - 500 500 500 500 volts

  • AMPLIFIER DC Screen Voltage [4]

    500 V

    AMPLIFIER DC Screen Voltage - - - - - 500 500 500 500 volts