CK7575/QK787
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BrandRaytheon
ClassRecording Storage Tube
BaseSmall Shell Duodecal
Filament6.3V @ 600mA
Construction
Primary TypeTetrode
EnvelopeGlass
SectionsDual-gun
Filament / Heater
Heater Notes6.3V +/- 10%
Absolute Maximum Ratings
Plate Voltage4000 V
Grid 2 Voltage1000 V
Grid 1 Voltage-125 V
Audio Performance
Key Features
- Dual-gun simultaneous write/read
- High resolution
- Magnetic deflection
- Electrostatic or magnetic focus
- Improved automatic priming
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Write Gun (Mode 2) | 3500V | - | - | - | - |
| Read Gun (Mode 2) | 3700V | - | - | - | 0.002mA |
Application Notes
Dual-gun cathode-ray Recording Storage Tube capable of simultaneous writing and reading. Stored signals can be held for many hours or read several thousand times. Scan conversion properties equivalent to CK6835/QK464A.
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