Tube-number record
4522
0 archive entries
4522 is a tube type in the TubeDatabase archive (class: Photomultiplier Tube). Recorded specifications: brand RCA, year 1968, construction Multi-section, base Copper-Beryllium, socket Special / none, and maximum plate voltage 3500 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPhotomultiplier Tube
BaseSpecial / none
Construction
Primary TypeMulti-section
Envelope5-Inch Diameter Head-On
Base MaterialCopper-Beryllium
Sections14-Stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage3500 V
Grid 1 Voltage800 V
Cathode Current0.5 mA
Audio Performance
Key Features
- High Quantum Efficiency Bialkali Photocathode
- In-Line Electrostatically-Focused Dynode Structure
- UV-transmitting window (Corning No. 9741)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Distribution A | 2000 V | — | — | 38000000 | — |
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