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Specialized - Traveling Wave ·TravelingWave

X1131

Miniaturized metal-ceramic permanent-magnet-focused traveling-wave amplifier covering 7–8 GHz, designed specifically for long-life space applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 200 mA

Description

Miniaturized metal-ceramic PPM-focused traveling-wave-tube amplifier for long-life space applications, 7–8 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
200 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

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

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

TravelingWave

Other

  • Filament Voltage Maximum

    10 V

  • Filament Current Maximum

    300 mA

  • Helix Voltage

    1200 to 1600

  • Body and Helix Current Maximum

    1 mA

  • Collector Voltage

    550 to 1600

  • Collector Current Maximum

    16 mA

  • Focus Electrode Voltage Minimum

    -100 V

  • Focus Electrode Current Maximum

    1 mA

  • Anode Voltage

    1650 to 1800

  • Anode Current Maximum

    0.2 mA

  • Beam Power Input Maximum

    25 W

  • RF Input Power Maximum

    100 mW

  • Power Reflected From Load Maximum

    3 W

  • Typical Helix Voltage

    1450 V

  • Typical Collector Voltage

    575 V

  • Typical Anode Voltage

    1550 V

  • Small Signal Gain Typical

    43 dB

  • Saturated Power Output Typical

    3 W

  • Saturated Gain Typical

    38 dB

  • Noise Figure Typical

    28 dB

Characteristic

  • Cathode Warm-up Time

    120 s

  • Frequency Range

    7 to 8

  • Small Signal Gain Minimum

    40 dB

  • Saturated Power Output Minimum

    2.5 W

  • Saturated Gain Minimum

    36 dB