Tube-number record
AL 31-10
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AL 31-10 is a tube type in the TubeDatabase archive (class: Radar Cathode Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 14000 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassRadar Cathode Ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesIndirect by A.C. or D.C.; series or parallel supply
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Service | 12000 V | — | — | — | — |
Application Notes
For visual extinction of the undeflected focused spot, the grid 1 voltage limits are -30 to -70V. Focusing voltage limits of -200 to +200V provide acceptable focus quality; at least -300 to +300V is required to pass through the focus point.
Datasheets
Datasheet: AL31-10.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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