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Specialized - Klystron ·Klystron

8811

Air-cooled gang-tuned C-band klystron amplifier covering approximately 4.4–5.0 GHz with kilowatt-class continuous-wave output.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.5 V / 7.6 A

Description

Air-cooled gang-tuned C-band klystron covering 4.4 to 5.0 GHz with kilowatt-class CW output.

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
6.5 V
Nominal heater current
7.6 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
8500 V
Max cathode current
600 mA

C-band CW klystron; high-voltage/microwave radiation warning.

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

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

  • Heater/filament voltage

    6.5 V

  • Heater/filament current

    7.6 A

  • Warmup time minimum

    180 s

  • Maximum beam voltage

    8.5 kV

    CW

  • Maximum beam current

    600 mA

    CW

  • Maximum body current

    60 mA

    CW

  • Surge current

    25 A

  • Typical beam voltage

    8 kV

  • Typical beam current

    520 mA

  • RF power output

    1.6 kW

    4.4GHzHighEfficiency

  • RF power output

    1.45 kW

    5.0GHzHighEfficiency

  • Efficiency

    39 %

    4.4GHzHighEfficiency

  • Gain

    52 dB

    HighGainTune

  • X-ray and microwave radiation warning

    Present

Characteristic

  • Frequency minimum

    4.4 GHz

  • Frequency maximum

    5 GHz

Construction

  • Cooling method

    Forced air