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4J47

Amperex pulsed magnetron designed for radar and other short-pulse high-intensity RF applications, emphasizing high peak microwave power.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

4J47 is a Magnetron device in the supplied Amperex literature. Amperex pulsed magnetron for radar and other short-pulse high-intensity RF applications. Published ratings, operating points, capacitances, pulse data, or industrial service limits were preserved in the technical output as applicable.

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: -
Nominal heater current: -
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

No fixed ratings are recorded for this section.

Amperex pulsed magnetron for radar and other short-pulse high-intensity RF applications.

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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Other

Frequency
2785 to 2820 MHz
Pulsed RF output power
700 kW
Pulsed
Average RF output power
350 W
Pulsed
Pulsed plate voltage
25 kV
Pulsed
Pulsed plate current
60 A
Pulsed
Average plate current
30 mA
Pulsed
Magnetic field
2700 Gauss
Duty factor
0.0005
Pulsed