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Specialized - Magnetron ·Magnetron

2J21

Forced-air-cooled pulsed magnetron oscillator operating near 9.4 GHz with approximately 10 kW peak RF output.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.3 A

Description

Forced-air-cooled pulsed magnetron oscillator operating near 9.4 GHz with approximately 10 kW peak RF output.

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
6.3 V
Nominal heater current
1.3 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

Magnetron

X-ray radiationInterelectrode capacitances
Max plate voltage
13500 V
Max plate dissipation
180 W
Max cathode current
10 A

Published ratings and characteristics promoted where clearly applicable; additional source values retained as section 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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal/representative value

  • Heater or filament current

    1.3 A

    Published nominal/representative value

  • Frequency range

    9345 to 9405 MHz

    Published

  • Magnetic field strength

    2400 gauss

    Published

Other

  • Maximum plate dissipation

    180 W

    Published

  • Pulse duration

    1 µs

    Published

  • Pulse repetition rate

    1000 Hz

    Published

  • Peak RF power output

    10000 W

    Published

  • Maximum duty cycle

    0.002 fraction

    Published