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Specialized - Klystron ·Klystron

4K50000LA

Four-cavity magnetically focused Eimac power-amplifier klystron covering approximately 400–610 MHz and delivering at least 10 kW continuous-wave output.

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

Description

The Eimac 4KM50,000L A is a four-cavity, magneticallyfocused, power-amplifier klystron of ceramic and metal., It is designed for use at frequencies between 400 and 610 megacycles and will deliver a minimum CW output power of 10 kilowatts with a minimum power gain of 50 decibels,

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
-
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

No fixed ratings are recorded for this section.

Single electrical section; values mapped from printed ratings/characteristics. Klystron represented as SectionType Other because the canonical section vocabulary has no Klystron section type.

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

  • The Eimac

    0 mA

    The Eimac 4KM50,000L A is a four-cavity, magneticallyfocused,

  • use at frequencies between

    610 megacycles

    use at frequencies between 400 and 610 megacycles and will deliver

  • a minimum CW output power of

    10 a

    a minimum CW output power of 10 kilowatts with a minimum power

  • lers for the second, third and output cavities, and an Eimac SK

    110 second

    lers for the second, third and output cavities, and an Eimac SK-110

  • Heater: Voltage

    7.5 volts

    Heater: Voltage - - - 7.5 volts

  • Current

    40 amperes

    Current - - - 40.0 amperes

  • Maximum Starting Current

    80 amperes

    Maximum Starting Current 80.0 amperes

  • Voltage

    2 volts

    Voltage - - - 2.0 volts

  • Current

    36 amperes

    Current - - - 36.0 amperes

  • Output Power

    10 kilowatts

    Output Power - - - - 10 kilowatts

  • Frequency Range (H

    610 megacycles

    Frequency Range (H-121 Assembly) 400 to 610 megacycles

  • < as_

    45.607 a

    < as_ 25| 45.607 L a -

  • OQOutput

    50 ohm

    OQOutput 3 1/8 inch 50 ohm line

  • Prefocus-Coil: Voltage

    50 volts

    Prefocus-Coil: Voltage - - - - 0 to 50 volts

  • Current

    5 amperes

    Current - - - - 0tol.5 amperes

  • Voltage

    500 volts

    Voltage - - - - 0 to 500 volts

  • Current

    2.5 amperes

    Current - - - - 0to 2.5 amperes

  • D- C Beam Current

    2.5 AMPERES

    D- C Beam Current 2.5 AMPERES

  • A-C GETTER CURRENT

    50 A

    A-C GETTER CURRENT - - - 50 AMPERES

  • FOCUS ELECTRODE VOLTAGE

    500 VOLTS

    FOCUS ELECTRODE VOLTAGE - - - -500 VOLTS

  • COLLECTOR DISSIPATION

    50 KILOWATTS

    COLLECTOR DISSIPATION 50 KILOWATTS

  • Frequency

    610 megacycles

    Frequency - 400 610 megacycles

  • Output Power

    120 kilowatts

    Output Power - 13.1 12,0 kilowatts

  • Driving Power

    50 watts

    Driving Power . 050 . 050 watts

  • D-C Beam Current

    1.8 amperes

    D-C Beam Current 1.8 1.8 amperes

  • D-C Collector Current

    172 amperes

    D-C Collector Current - - - - - 1,71 1,72 amperes

  • Focus-Electrode Voltage

    211 volts

    Focus-Electrode Voltage - - - - -201 -211 volts

  • Prefocus Coil

    97 ampere

    Prefocus Coil 1.0 0. 97 ampere

  • Three Body Coils and Collector Coil in Series

    2 amperes

    Three Body Coils and Collector Coil in Series 2.0 2.0 amperes