7065
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BrandDuMont
ClassMultiplier Phototube
BaseSmall Shell Duodecal 12 Pin (B12-43)
Construction
Primary TypeMultiplier Phototube
Envelope1 1/2 inch diameter, flat end-window
Base MaterialPlastic (Small Shell Duodecal)
Sections10 stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1300 V
Plate Dissipation0.075 W
Grid 1 Voltage-300 V
Cathode Current0.02 mA
Audio Performance
Key Features
- 10-stage multiplier
- S-11 photocathode
- Flat end-window
- High sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 90 volts per stage | 900V | - | - | 750000 | 0.075mA |
Application Notes
Applicable in the fields of nuclear physics and industrial/scientific applications for the detection of very low light levels. Supply voltage between cathode and 1st dynode should be two times the supply voltage between succeeding dynodes.
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