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Specialized - Klystron ·Klystron

2K51

Secondary-emission mechanically tuned klystron in a high-power microwave amplifier/oscillator family, with a distinct tuning range for this designation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.4 A

Description

Secondary-emission mechanically tuned klystron for high-power microwave amplifier/oscillator 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
6.3 V
Nominal heater current
1.4 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 plate dissipation
700 W

Published ratings and characteristics promoted where clearly applicable; additional source values retained as section parameters.

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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Klystron

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal/representative value

  • Heater or filament current

    1.4 A

    Published nominal/representative value

  • Mechanical tuning range

    2700 to 3300 MHz

    Published

  • Electronic tuning range

    40 MHz

    Published

  • Resonator voltage range

    1500 to 3000 V

    Published

  • Secondary cathode voltage range

    0 to 500 V

    Positive with respect to cathode

  • Grid voltage range

    0 to 150 V

    Published

Other

  • Maximum plate dissipation

    700 W

    Published

  • RF power output

    5 to 30 W

    Published range

  • Maximum power input

    700 W

    Forced-air cooling required above 50 W input