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Specialized - Klystron ·Klystron

K391

Rugged low-voltage reflex klystron designed for airborne microwave oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

Rugged, low voltage reflex klystron for airborne 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
600 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

No fixed ratings are recorded for this section.

Microwave/special-function section; schema has no directly applicable promoted electrode fields; published electrical data preserved in 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

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

  • Frequency range

    9160109340 MHz

    Frequency range . . ... ... 9160109340 MHz

  • Typical output power

    40 mw

    Typical output power . . . . . . . . . . . . 40 mw

  • Electronic tuningrange

    30 MHz

    Electronic tuningrange . . . . . . . . . . . 30 MHz

  • Heater voltage

    6.3

    Heater voltage 6.3 \Y

  • Heater current

    600 mA

    Heater current 0.6 A

  • Heater voltage

    6.9

    Heater voltage 5.7 6.9 \

  • Resonator voltage

    325

    Resonator voltage — 325 \Y

  • Resonator current

    45 mA

    Resonator current . R 45 mA

  • Heater voltage

    6.3

    Heater voltage 6.3 \

  • Resonator voltage

    275 V

    Resonator voltage 275 V

  • Load v.s.w.r

    1 v

    Load v.s.w.r. 1.1:1 max

Characteristic

  • Heater current

    610 mA

    Heater current . . . . . . . 052 0.68 0.61 A

  • Resonator current

    40 mA

    Resonator current . . . . . . 20 33 40 mA

  • Reflectervoltage

    -100

    Reflectervoltage . . . . . =7b - —100 Vv

  • Output power

    60 mw

    Output power . . . . . . . 25 40 60 mw

  • Mechanical tuningrange

    9340 MHz

    Mechanical tuningrange . . . 9160 - 9340 MHz

  • Reflector modulation sensitivity

    1.5 MHz

    Reflector modulation sensitivity . 0.5 - 1.5 MHz/v

  • frequency pulling

    6 MHz

    frequency pulling . . . . . — 4.0 6.0 MHz

  • output power

    10

    output power .. . . . .10 — - mwW

  • of frequency

    -200 kHz

    of frequency . . . . . . B0 -130 —200 kHz/°C

  • 1. Clockwise rotation of the tuner reduces the frequency. The tuner torque

    1

    1. Clockwise rotation of the tuner reduces the frequency. The tuner torque

  • The reflector circuit impedance must not exceed 0.5M£2. The reflector

    2

    . The reflector circuit impedance must not exceed 0.5M£2. The reflector

  • 6. With a mismatch of v.s.w.r. 1.56:1, varied through all phases

    1 a

    6. With a mismatch of v.s.w.r. 1.56:1, varied through all phases.

  • 7. The change in output power, measured between 40 seconds and 3 minutes

    3

    7. The change in output power, measured between 40 seconds and 3 minutes