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Specialized - Klystron ·Klystron

X1115B

Low-noise conduction-cooled reflex klystron designed for local-oscillator service over 12.2–12.7 GHz.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 800 mA

Description

Ceramic/metal conduction-cooled low-noise reflex klystron for local-oscillator service, 12.2–12.7 GHz.

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
800 mA
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
45 mA

Microwave-device ratings have no dedicated promoted voltage/dissipation columns in this schema; applicable maximum cathode current is promoted and specialized published ratings are preserved in TUBE_SECTION_PARAMETER.

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

Characteristic

  • Frequency Range

    12.2 to 12.7

  • Electronic Tuning Range

    35 MHz

    3 dB bandwidth

  • Modulation Sensitivity

    2.5 MHz/V

  • Warm-up Time

    30 s

Other

  • Typical Output Power

    30 mW

  • Typical DC Resonator Voltage

    300 V

  • Typical DC Cathode Current

    26 mA

  • Typical DC Repeller Voltage

    -130 V

    Negative with respect to cathode

  • Maximum DC Resonator Voltage

    425 V

  • Maximum DC Cathode Current

    45 mA

  • Peak Repeller Voltage Negative

    -400 V

    With respect to cathode

  • Peak Repeller Voltage Positive

    0 V

    With respect to cathode

  • Maximum Resonator Dissipation

    20 W