Tube-number record
IATRON
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BrandITT (International Telephone and Telegraph Corporation)
ClassDirect View Storage Tube
Filament6.3 V @ 1.4 mA
Construction
Primary TypeDisplay / CRT
Envelope7.5-inch diameter
SectionsDual Gun (Writing and Flood)
Filament / Heater
Warm-up Time30s
Heater NotesFlood section current is 1.4A; Writing section current is 0.6A.
Absolute Maximum Ratings
Plate Voltage10000 V
Grid 2 Voltage480 V
Grid 1 Voltage-30 V
Audio Performance
Key Features
- Direct view storage
- Electromagnetic focus and deflection
- Variable grey shades
- Writing, storage, and erasure at will
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Flood Section | 150 V | — | — | — | — |
| Writing Section | 2500 V | — | — | — | — |
Application Notes
Heater transformer center tap should be connected to cathode voltage. Resolution measured by shrinking raster method.
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