Tube-number record
YH 1047
0 archive entries
YH 1047 is a tube type in the TubeDatabase archive (class: High-Power Travelling Wave Tube). Recorded specifications: brand Siemens, construction Travelling Wave Tube, base Water-cooled, socket Waveguide, maximum plate voltage 20000 V, and maximum plate dissipation 55000 W. The archive does not yet hold a photographed example of this type.
BrandSiemens
ClassHigh-Power Travelling Wave Tube
BaseWaveguide
Filament11 V @ 6 mA
Construction
Primary TypeTravelling Wave Tube
EnvelopeMetal
Base MaterialWater-cooled
SectionsSolenoid-focused
Filament / Heater
Heater NotesIndirectly heated, dc, metal capillary dispenser cathode. Preheating time min. 5 min.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Carrier Operation | 13500 V | — | — | — | 3000 mA |
| Multi-Carrier Operation | 13500 V | — | — | — | 2800 mA |
Application Notes
The tube YH 1047 is designed to operate with depressed or non-depressed collector. Circulators must be provided at the input and output. Protective device must disconnect operating voltage within 15ms if delay line current exceeds 120mA.
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