Tube-number record
7664
0 archive entries
7664 is a tube type in the TubeDatabase archive (class: Multiplier Phototube). Recorded specifications: brand Allen B. Du Mont Laboratories, Inc., construction Multi-section, base Medium shell diheptal, socket Diheptal, maximum plate voltage 1800 V, and maximum plate dissipation 0.5 W. The archive does not yet hold a photographed example of this type.
BrandAllen B. Du Mont Laboratories, Inc.
ClassMultiplier Phototube
BaseDiheptal
Construction
Primary TypeMulti-section
EnvelopeFused Silica
Base MaterialMedium shell diheptal
Sections10
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1800 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 105 volts/stage | 1050 V | — | — | 215000 | — |
| 150 volts/stage | 1500 V | — | — | 2000000 | — |
Application Notes
The focusing electrode (shield) voltage should be adjusted between cathode and 1st dynode potentials for optimum photoelectron collection efficiency. This is usually several volts more positive than the cathode.
Datasheets
Datasheet: 7664.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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