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Specialized - Magnetron ·Magnetron

4J31

Fixed-frequency S-band pulse magnetron covering approximately 2.86–2.90 GHz for high-peak-power microwave oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
16 V / 3.1 A

Description

Fixed-frequency S-band pulse magnetron covering 2860 to 2900 MHz.

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
16 V
Nominal heater current
3.1 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
30000 V

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 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Characteristic

  • Frequency range

    2860 to 2900 MHz

Other

  • Typical peak output power

    1000 kW

    Pulse

  • Maximum peak anode voltage

    30 kV

    Pulse

  • Heater voltage

    16 V

  • Heater current

    3.1 A

  • Minimum cathode heating time

    2 min