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Specialized - Traveling Wave ·TravelingWave

UV51B

Russian traveling-wave tube; Low-power uhf amplification.

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

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Application: Low-power uhf amplification. Cathode type: Oxide, indirect heating; Output type: Waveguide 5.5x11mm; Envelope: Metal with permanent magnets; Mass: 9.5kg; Cooling method: Natural; Frequency range: 19019.5 MHz; Frequency range Minimum: 14985 MHz; Frequency range Maximum: 23054 MHz; Gain: 12dB; Filament voltage, v: 6.3; Filament current, a: 0.8; Filament current, a Minimum: 0.65; Filament current, a Maximum: 0.95; First anode voltage, v: 400; First anode voltage, v Minimum: 250; First anode voltage, v Maximum: 550; Slow-wave circuit voltage, v: 1550; Slow-wave circuit voltage, v Minimum: 1400; Slow-wave circuit voltage, v Maximum: 1700; Control electrode voltage, v: 100; Collector voltage, v: 150; External loading agreement coefficient: 1.4; Noise coefficient: 15dB

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

    14985 to 23054 MHz

    frequency range

  • SlowWaveStructureVoltage

    1400 to 1700 V

    slow-wave circuit voltage, v

  • FirstAnodeVoltage

    250 to 550 V

    first anode voltage, v

  • Gain

    12 dB

    gain