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

Specialized - Klystron ·Klystron

HKR903

Mechanically tunable reflex klystron with linear tuning characteristic for precision oscillator service over approximately 9.0–9.275 GHz.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.2 A

Description

Mechanically tunable reflex klystron with linear tuning characteristic for 9.0 to 9.275 GHz precision 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
1.2 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

Klystron

X-ray radiationInterelectrode capacitances
Max plate voltage
330 V
Max cathode current
55 mA

Reflex-klystron electron-beam resonator system; microwave frequency and resonator limits captured as 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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    1.2 A

    Nominal

  • MaximumResonatorVoltage

    330 V

  • MaximumResonatorCurrent

    55 mA

Characteristic

  • FrequencyRange

    9 to 9.275 GHz

    Published operating range

  • OutputPowerMinimum

    0.05 W