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Specialized - Magnetron ·Magnetron

6543

Tunable pulsed magnetron covering 8.5–9.6 GHz for high-power systems requiring approximately 80-kW-class output.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
12.6 V / 2.2 A

Description

Tunable pulse magnetron covering 8500-9600 MHz, intended for high-power systems requiring approximately 80-kW-class output and strong reliability.

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
12.6 V
Nominal heater current
2.2 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 dissipation
350 W
Max cathode current
18 A

Tunable pulse magnetron for 8500-9600 MHz service; nominal 80 kW class.

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

1945 Litton Industries

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Other

  • Pulse Voltage

    13.5 to 16.5 kV

    Operating condition

  • Pulse Current

    15 A

    Operating condition

  • Preheat Time

    180 to - s

    Minimum

  • Maximum Rate of Rise of Voltage

    - to 160 kV/us

  • Maximum Heater Voltage

    - to 13.7 V

  • Maximum Heater Surge Current

    - to 10 A

  • Maximum Pulse Current

    - to 18 A

  • Maximum Pulse Length

    - to 5 us

  • Maximum Average Input Power

    - to 350 W

  • Maximum Duty Cycle

    - to 0.001

Characteristic

  • Anode-Cathode Capacitance

    - to 12 pF

    Maximum

  • Minimum Peak Power

    65 to - kW

  • Tunable Frequency

    8500 to 9600 MHz

  • Pulling Factor

    - to 15 MHz

    1.1 VSWR