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

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Tube-number record

CW TRAVELING WAVE TUBE

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CW TRAVELING WAVE TUBE is a tube type in the TubeDatabase archive (class: Microwave Tube). Recorded specifications: brand Nippon Electric Company Limited, construction Other / special, base Radiator for cooling, socket Special / none, maximum plate voltage 2000 V, and maximum plate dissipation 63 W. The archive does not yet hold a photographed example of this type.

BrandNippon Electric Company Limited
ClassMicrowave Tube
BaseSpecial / none
Filament6.3 V @ 700 mA

Construction

Primary TypeOther / special
EnvelopeGlass and Metal
Base MaterialRadiator for cooling
SectionsSingle

Filament / Heater

MaterialOxide Coated, Unipotential
Warm-up Time90s

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
3.7 GHz operation1700 V———35 mA
4.0 GHz operation1700 V———35 mA
4.2 GHz operation1700 V———35 mA

Application Notes

The LD-597A is designed for CW operation in the 3.6-4.2 GHz band. It features a depressed collector to improve efficiency. Forced air cooling is required if ambient exceeds 55C.

Filters

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Manufacturers

Brands

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    Heater NotesUni-potential cathode

    Absolute Maximum Ratings

    Plate Voltage2000 V
    Plate Dissipation63 W
    Grid 2 Voltage3000 V
    Grid 1 Voltage-15 V
    Cathode Current35 mA

    Audio Performance

    Power Output15.6 W
    Key Features
    • PPM Focused
    • Field Replaceable
    • Depressed Collector Operation
    • Conduction and Natural Convection Cooling