Tube-number record
N1047M
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N1047M is a tube type in the TubeDatabase archive (class: Travelling Wave Tube). Recorded specifications: brand EEV, construction Other / special, socket Octal, and maximum plate voltage 1100 V. The archive does not yet hold a photographed example of this type.
BrandEEV
ClassTravelling Wave Tube
BaseOctal
Filament5 V @ 0.2 mA
Construction
Primary TypeOther / special
EnvelopeMetal Canister
SectionsSingle
Filament / Heater
Materialoxide coated
Warm-up Time1200s
Heater NotesStarting current peak 4.0 A max
Absolute Maximum Ratings
Plate Voltage1100 V
Grid 2 Voltage20 V
Grid 1 Voltage20 V
Cathode Current0.2 mA
Audio Performance
Power Output0.0015 W
Key Features
- Low noise
- Coaxial input and output connectors
- Metal canister envelope
- Type N coaxial plug connectors
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical at 2.9GHz | 800 V | — | — | — | 0.13 mA |
Application Notes
Low noise travelling wave tube for use in the input stage of radar and other microwave receivers, and in i.f. amplifier service.
Datasheets
Datasheet: N1047M.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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