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Power - Beam (NOT sweep) (over 1000V 100W) ·BeamPower

7580

Forced-air-cooled ceramic-metal high-perveance radial-beam tetrode designed for linear RF power-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
9
Nominal heater
6 V / 2.6 A

Description

7580 is listed in the supplied Amperex material as a forced-air-cooled ceramic/metal beam-power tetrode for linear RF service. Published electrical ratings and operating data were captured from the supplied table.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
9
Nominal heater voltage
6 V
Nominal heater current
2.6 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

Beam Power

X-ray radiationInterelectrode capacitances
Max plate voltage
2000 V
Max screen voltage
500 V
Max plate dissipation
250 W
Max screen dissipation
12 W
Max grid dissipation
2 W
Max cathode current
250 mA

Promoted fields populated from published ratings/characteristics; additional published 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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater or filament voltage

    6 V

    Published nominal value

  • Heater or filament current

    2.6 A

    Published nominal/aggregate value

Other

  • Maximum plate dissipation

    250 W

    Published maximum rating

  • Peak-envelope RF power output

    400 W

    30 MHz

  • Peak-envelope RF power output

    360 W

    500 MHz

  • Maximum frequency

    500 MHz

    Published

Data set 02

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater Current

    2.3 A to 2.9 A

  • Heating Time

    30 to 40 s

Other

  • Cathode-Heater Potential Maximum

    4150 V

  • Frequency for Maximum Ratings

    500 MHz

  • Maximum DC Plate Current

    250 mA

  • Typical SSB Peak Envelope Power

    470 W

    ClassAB1;SingleSideband

  • Typical AF Push-Pull Output Power

    595 W

    ClassAB1;PushPull;TwoTubes

Capacitance

  • Input Capacitance

    16 to 18.5 pF

  • Output Capacitance

    4 to 5 pF

  • Grid-Plate Capacitance Maximum

    0.06 pF

Data set 03

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater/filament voltage

    6.3 V

    Published rating

  • Heater/filament current

    2.6 A

    Published rating

  • Amplification factor

    4

    TransmittingService

Other

  • Maximum plate dissipation

    250 W

    TransmittingService

  • Plate voltage

    2000 V

    TransmittingService

  • Plate current

    250 mA

    TransmittingService

  • Power output

    360 W

    TransmittingService

  • Screen voltage

    250 V

    TransmittingService

  • Grid current

    50 mA

    TransmittingService

  • Maximum frequency

    400 MHz

    TransmittingService

Data set 04

1965 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater Current Range

    2.3 A to 2.9 A

Other

  • Cathode-Heater Voltage Maximum

    150 V

  • Grid-Plate Capacitance Maximum

    0.06 pF

  • Frequency Maximum

    500 MHz

  • Two-Tone Peak Envelope Output

    470 W

  • Two-Tube Audio Output

    595 W

  • Heater Warmup Minimum

    30 s

Capacitance

  • Input Capacitance Range

    16 to 18.5 pF

  • Output Capacitance Range

    4 to 5 pF