Tube-number record
4549
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BrandRCA
ClassImage Intensifier Tube
BaseSpecial / none
Filament6.75 V @ — mA
Construction
Primary TypeDisplay / CRT
EnvelopeFiber-Optic Faceplates
Base MaterialRuggedized Construction
SectionsSingle-stage
Filament / Heater
Heater NotesTypical DC Input Voltage
Absolute Maximum Ratings
Grid 1 Voltage7 V
Audio Performance
Key Features
- Automatic Brightness Control
- Integral Oscillator
- Integral Voltage Multiplier
- Fiber-Optic Input Faceplate
- Fiber-Optic Output Faceplate
- Ruggedized Construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operating Conditions | — | — | — | — | — |
Application Notes
The 4549 variant of the 8606 features automatic brightness control allowing operation at input illumination levels up to 7 footcandles. Magnetic shielding is recommended to prevent resolution impairment from extraneous fields.
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