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Specialized - Klystron ·Klystron

3KM4000LT

Three-cavity magnetically focused pulse-amplifier klystron for approximately 960–1215 MHz service, optimized for high-power pulsed microwave amplification.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7.5 V / 5.5 A

Description

The EIMAC 3KM4000LT is a three-cavity magnetically focused pulse-amplifier klystron for 960–1215 MHz service.

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
7.5 V
Nominal heater current
5.5 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

Klystron

X-ray radiationInterelectrode capacitances
Max cathode current
6 A

Klystron electron-beam section. Schema has no beam-voltage/collector-dissipation promoted fields; those published ratings are preserved below as parameters. MaxCathodeCurrent uses published maximum beam current where available.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

  • Maximum DC beam voltage

    28000 V

  • Maximum DC beam current

    6 A

  • Maximum collector dissipation

    4000 W

  • pulse-amplifier klystron. It will deliver a peak output power of 40

    -

  • between 960 and 1215 megacycles. Nominal power gain is 33 db.

    -

  • vides an effective means of pulse modulating the output power

    -

  • full rated pulse output power.

    -

  • signed for use with the 3KM4000LT to cover the frequency range of

    -

  • Power Gain (Nominal) « - - - - -~ - - 33 db

    -

  • Average Output Power = =~ - ~ = « - - 1 kilowatt

    -

  • Peak Output Power - - - = - - - 40 kilowatts

    -

  • Frequency Range (In H-116 Assembly) 960 to 1215 megacycles

    -

  • Peak Output Power - - - - - - - 30 36 40 kilowatts

    -

  • Power Gainh - - - - - - =~ = = 37.7 38.5 39 db

    -