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Specialized - Traveling Wave ·TravelingWave

F4181

Conduction-cooled 5.925–6.425 GHz traveling-wave power amplifier for radio-link communications, rated for at least 25 watts saturated output and 37 dB gain.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 950 mA

Description

Medium-power TWT amplifier for radio-link communications, 5.925–6.425 GHz; conduction cooled.

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
950 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.

Specialized microwave-device ratings are preserved densely in TUBE_SECTION_PARAMETER because the locked promoted columns do not directly represent beam/helix/collector/magnetron pulse ratings.

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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

  • Frequency Range

    5.925 to 6.425 GHz

  • Heater Current

    800 mA to 1.1 A

  • Saturated Output Power Minimum

    25 W

  • Gain Minimum

    37 dB

  • Helix Voltage

    3.55 to 3.85 kV

Other

  • Helix Current Maximum

    2 mA

  • Anode Voltage Maximum

    2 kV

  • Anode Current Maximum

    5 mA

  • Collector Voltage

    2 to 2.5 kV

  • Collector Current Maximum

    60 mA

  • Collector Dissipation Maximum

    130 W

  • Drive Power Maximum

    10 mW

  • Output Power Maximum

    30 W

  • Warm-up Time Minimum

    3 min

  • Typical Output Power

    16 W

    Frequency=6GHz