Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Klystron ·Klystron

7504

Three-cavity pulsed amplifier klystron tunable from approximately 1240–1360 MHz, designed for ground-based radar and capable of megawatt-class peak output.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
16 V / 950 mA

Description

Three-cavity pulsed amplifier klystron tunable from 1240 to 1360 MHz, capable of megawatt peak output for ground-based radar service.

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
16 V
Nominal heater current
950 mA
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

Klystron

X-ray radiationInterelectrode capacitances
Max plate voltage
12000 V
Max cathode current
37 A

Three-cavity pulsed amplifier klystron tunable from 1240 to 1360 MHz.

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

Klystron

Characteristic

  • Frequency Range

    1240 to 1360 MHz

    Mechanically tuned

  • Peak Power Output

    2.2 MW

    At 0.003 duty cycle

  • Gain

    36 dB

    Published description

  • Time Jitter RMS

    0.5 us

Other

  • Maximum Heater Voltage

    - to 17 V

    AC

  • Maximum Heater Surge Current

    - to 20 A

  • Maximum Anode Voltage

    - to 12 kV

  • Maximum Peak Cathode Current

    - to 37 A

  • Maximum Average Cathode Current

    - to 260 mA

  • Maximum RF Input Power Peak

    - to 1 kW

  • Cathode Heating Time

    20 to - min

  • Typical Peak Voltage

    11.5 kV

  • Typical Peak Current

    28 A

  • Typical Pulse Width

    8 us