Tube-number record
6571
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BrandRCA
ClassComputer Storage Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeBeam tetrode / beam power
Envelope3-inch Diameter Bulb
Base MaterialSmall-Shell Duodecal 10-Pin Base (JETEC No. B10-75)
Sections1
Filament / Heater
Heater NotesUnipotential Cathode
Absolute Maximum Ratings
Plate Voltage2500 V
Grid 2 Voltage1000 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic Focus
- Electrostatic Deflection
- Redistribution Writing
- Capacitance-Discharge Reading
- Uniform secondary emission
- Focused beam having exceptionally small effective area
- Separate external connection for the collector
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example at 1000V Ultor | 1000 V | — | — | — | — |
| Example at 2500V Ultor | 2500 V | — | — | — | — |
Application Notes
The 6571 is a storage tube designed primarily for use in binary digital computer systems. It utilize electrostatic focus and deflection, and has its storage surface on the inner surface of the faceplate. Redistribution writing and capacitance-discharge reading are employed.
Datasheets
Datasheet: 6571.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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