Tube-number record
CK6835/QK464A
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BrandRaytheon
ClassRecording Storage Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater Notes±10%
Absolute Maximum Ratings
Plate Voltage4000 V
Grid 2 Voltage500 V
Grid 1 Voltage-125 V
Audio Performance
Key Features
- Recording Storage
- High speed operation
- Wide dynamic range
- Magnetic Focusing and Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Prime | 3500 V | — | — | — | 0.1 mA |
| Read | 3500 V | — | — | — | 0.001 mA |
| Erase | 3500 V | — | — | — | 0.05 mA |
Application Notes
The CK6835/QK464A is capable of repeating stored information up to 30,000 times without appreciable deterioration. Dynamic focusing is recommended for optimum resolution.
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