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

7213

Forced-air-cooled ceramic-metal beam-power transmitting tube for high-power linear and Class-C RF amplification at frequencies extending to approximately 1.2 GHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
5.5 V / 17.5 A

Description

Forced-air-cooled ceramic-metal beam-power tube for high-power linear and Class-C RF amplification at frequencies through approximately 1.2 GHz.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
-
Nominal heater voltage
5.5 V
Nominal heater current
17.5 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
2500 V
Max screen voltage
1000 V
Max plate dissipation
500 W
Max cathode current
1 A

Published ratings/characteristics promoted from supplied datasheet.

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

    5.5 V

    Published nominal value

  • Heater or filament current

    17.5 A

    Published nominal/aggregate value

  • Maximum frequency

    1215 MHz

    Full ratings

Other

  • Maximum plate dissipation

    500 W

    Published maximum rating

  • Maximum CW input

    2500 W

    Published

  • Useful power output

    1250 W

    Single-sideband service

Data set 02

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Maximum DC Plate Voltage

    2500 V

    CW RF power service

  • Maximum DC Screen Voltage

    1000 V

    CW RF power service

  • Plate Dissipation

    1500 W

    CW RF power service

  • Typical DC Plate Voltage

    2500 V

    CW RF power service

  • Maximum-Signal Power Output

    1250 W

    CW RF power service

Characteristics

  • Mu Factor, Screen to Control Grid

    17

    CW RF power service

  • Grid-No.1 to Plate Capacitance

    0.17 pF

    CW RF power service

  • Grid-No.1 to Cathode/Heater Capacitance

    42 pF

    CW RF power service

  • Grid-No.2 to Plate Capacitance

    16 pF

    CW RF power service