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Specialized - Traveling Wave ·TravelingWave

UV131

Russian traveling-wave tube; Application as low-noise hf amplifier.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.5 V / 750 mA

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
2.5 V
Nominal heater current
750 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.

Application: Application as low-noise hf amplifier. Cathode type: Oxide, indirect heating; Output type: Waveguide; Envelope: Glass; Mass: 55g; Cooling method: Forced air; Frequency range: 3900 MHz; Frequency range Minimum: 3400 MHz; Frequency range Maximum: 4400 MHz; Gain: 20dB; Filament voltage, v: 2.5; Filament voltage, v Minimum: 2; Filament voltage, v Maximum: 3; Filament current, a: 0.75; Filament current, a Minimum: 0.5; Filament current, a Maximum: 1; First anode voltage, v: 92.5; First anode voltage, v Minimum: 5; First anode voltage, v Maximum: 180; Slow-wave circuit voltage, v: 590; Slow-wave circuit voltage, v Minimum: 540; Slow-wave circuit voltage, v Maximum: 640; Control electrode voltage, v: 15; Collector voltage, v: 800; External loading agreement coefficient: 1.8; Noise coefficient: 8

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

2026 Russian Traveling Wave

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • FrequencyRange

    3400 to 4400 MHz

    frequency range

  • SlowWaveStructureVoltage

    540 to 640 V

    slow-wave circuit voltage, v

  • FirstAnodeVoltage

    5 to 180 V

    first anode voltage, v