TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerA–Z indexSubmit a tube
LD-570 vacuum tube outline illustration

Tube-number record

LD-570

0 archive entries

LD-570 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Nippon Electric Company Limited, construction Other / special, base Bakelite/Metal, and socket Octal. The archive does not yet hold a photographed example of this type.

BrandNippon Electric Company Limited
ClassTraveling Wave Tube
BaseOctal
Filament4 V @ 0.7 mA

Construction

Primary TypeOther / special
EnvelopeGlass/Metal Coaxial
Base MaterialBakelite/Metal
SectionsSingle

Filament / Heater

Heater NotesTypical operating voltage: 5.7 V

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Preamplifier at 2,800 Mc/s700 V———0.2 mA

Application Notes

Applications include radar receivers, electronic counter-measure equipment, and microwave relay systems.

Filters

0 tubes found

Manufacturers

Brands

    0 results

    Audio Performance

    Key Features
    • Low noise figure microwave preamplifier
    • Broadband operation (2,700 to 2,900 Mc/s)
    • No tuning adjustment required
    • Coaxial Type N connectors