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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

BACKWARD-WAVE CONVERTER TUBE

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BrandITT
ClassMicrowave Tube
BaseFlexible / flying leads
Filament7 V @ 3900 mA

Construction

Primary TypeOther / special
EnvelopeGlass
SectionsBackward-wave amplifier and backward-wave oscillator

Filament / Heater

Heater NotesMaximum heater voltage is 7.5V

Absolute Maximum Ratings

Plate Voltage250 V
Grid 2 Voltage900 V
Grid 1 Voltage-1450 V
Cathode Current8 mA

Audio Performance

Key Features
  • Single tube UHF converter
  • Common electron beam interaction
  • Solenoid focusing
  • Integral TNC and TSM connectors

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
UHF Converter200 V———3.6 mA

Application Notes

Designed to convert UHF signals in the band from 853-1543 megacycles to a 50 megacycle intermediate frequency. Consists of a backward-wave amplifier and oscillator in the same vacuum envelope.

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