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Nuvistor Tubes (all numbers) ·Tetrode

8380

Power tetrode designed for RF, transmitting, and power-amplifier service, with manufacturer data covering ratings, operating conditions, capacitances, and construction for substantial output applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
8.5 V / 1.05 A

Description

Tetrode for RF, transmitting, or power-amplifier service. The supplied datasheet was reviewed for heater/filament data, maximum ratings, characteristics, typical operating conditions, capacitances, and construction details.

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
8.5 V
Nominal heater current
1.05 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
Transconductance
0.011 S
Max plate dissipation
1.6 W

Published promoted values applied where semantically applicable; additional source-table values retained in TUBE_SECTION_PARAMETER.

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

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristics

  • heater voltage between 6.0 and 8.5 volts to meet specific — published value 1

    6 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • heater voltage between 6.0 and 8.5 volts to meet specific — published value 2

    8.5 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater

    7 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater

    1.4 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode

    1.4 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage

    100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid—No.2 Supply Voltage

    50 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance

    11000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current

    11 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid—No.2 Current

    2.9 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid—No.1 Voltage (Approx.) for plate µa = 10 — published value 1

    10 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid—No.1 Voltage (Approx.) for plate µa = 10 — published value 2

    7 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 2 - Grid No.2

    2

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 4 -Grid No.1

    4

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 10 - Heater

    10

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 12 - Heater

    12

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage — published value 1

    80 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage — published value 2

    150 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Supply Voltage — published value 1

    80 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Supply Voltage — published value 2

    150 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Resistor

    12000 ohm

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.l Resistor — published value 1

    27000 ohm

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.l Resistor — published value 2

    10000 ohm

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current — published value 1

    7.5 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current — published value 2

    10 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Current — published value 1

    6 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Current — published value 2

    6 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output at 80 Mcd — published value 1

    80 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output at 80 Mcd — published value 2

    260 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output at 80 Mcd — published value 3

    650 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • o Cathode, grid No. 1, and grid No.2 are operated as a u0-Mc, Colpitts

    1 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • "plate" of the Osci llator, and the plate circuit tuned LO 80 Mc

    80 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 1

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 2

    0.95

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 3

    1.05

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid No.1 to plate — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid No.1 to plate — published value 2

    0 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater — published value 2

    6 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater — published value 3

    8 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater — published value 2

    1.2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • and heater — published value 3

    1.6 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 2

    1.1 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 3

    1.7 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (1) — published value 1

    1 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (1) — published value 2

    3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (1) — published value 3

    9 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (1) — published value 4

    13 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (2) . 1,4 — published value 1

    2

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (2) . 1,4 — published value 2

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (2) . 1,4 — published value 3

    4

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current (2) . 1,4 — published value 4

    50

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Current — published value 1

    1 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Current — published value 2

    3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Current — published value 3

    4 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (1). 1,3 — published value 1

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (1). 1,3 — published value 2

    3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (1). 1,3 — published value 3

    9000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (1). 1,3 — published value 4

    13000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid No.2 — published value 1

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid No.2 — published value 2

    3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid No.2 — published value 3

    2000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output (2)5,6 — published value 1

    2 W

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output (2)5,6 — published value 2

    5 W

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output (2)5,6 — published value 3

    6 W

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Useful Power Output (2)5,6 — published value 4

    0.5 W

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Current — published value 1

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Current — published value 2

    7

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Current — published value 3

    0.3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note

    1 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note — published value 1

    3 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note — published value 2

    100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • = 50, grid No.1 and metal Shell connected t0 negative end of

    50

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • bypass capacitor (µf) = 1000

    1000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note — published value 1

    100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note — published value 2

    50 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note — published value 1

    5 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note — published value 2

    40 MHz

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • do plate supply volts = 150, tic grid —x o.2 supply volts = 150, — published value 1

    150 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • do plate supply volts = 150, tic grid —x o.2 supply volts = 150, — published value 2

    150 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

Other

  • Heater negative with respect to cathode

    100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater positive with respect to cathode

    100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid No.1 to plate

    0.015 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage

    300 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Voltage

    250 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 (Screen-Grid) Supply Voltage

    300 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Voltage

    100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Negative-bias value

    55 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Positive-bias value

    0 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cathode Current

    25 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Input

    0.2 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Dissipation

    1.6 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Fer fixed-bias operation

    0.5 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • For cathode-bias operation

    1 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage

    300 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.1 Current

    3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.2 Input

    0.5 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid-No.l-Circuit Resistance

    0.05 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.