Tube-number record
D 13-42
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BrandAEG-TELEFUNKEN
ClassOscilloscope Tube
BaseCRT base (B12 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeFlat-faced screen
Sections1
Filament / Heater
Heater Notesindirectly, parallel operation
Absolute Maximum Ratings
Plate Voltage3000 V
Grid 1 Voltage-250 V
H-C Voltage125 V
Audio Performance
Key Features
- Flat-faced screen
- High deflection sensitivity
- Single beam
- Electrostatic focusing
- Double-electrostatic symmetrical deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscilloscope Operation | 2000 V | — | — | — | 0.025 mA |
Application Notes
For service oscilloscopes