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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

BACKWARD WAVE AMPLIFIER

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BACKWARD WAVE AMPLIFIER is a tube type in the TubeDatabase archive (class: Microwave Tube). Recorded specifications: brand ITT, year 1962, construction Other / special, base Aluminum capsule, socket Flexible / flying leads, and maximum plate voltage 1400 V. The archive does not yet hold a photographed example of this type.

BrandITT
ClassMicrowave Tube
BaseFlexible / flying leads
Filament6.3 V @ 3500 mA

Construction

Primary TypeOther / special
EnvelopeGlass
Base MaterialAluminum capsule
SectionsContinuous beam operation

Filament / Heater

Heater NotesDC operation; Maximum heater voltage 6.5V

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
3500 MHz Center Frequency-820 V———2 mA

Application Notes

The X-395 is designed for use as a narrow band medium noise r-f amplifier in the S-band range. It requires a solenoid for focusing.

Filters

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Manufacturers

Brands

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    Plate Voltage1400 V
    Grid 2 Voltage200 V
    Cathode Current4 mA

    Audio Performance

    Key Features
    • Narrow band medium noise r-f amplifier
    • Electronically tuned
    • Integral TNC female r-f connectors