D13-15
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BrandPHILIPS
ClassOscilloscope Tube
BaseDIHEPTAL 12 p
Filament6.3V @ 300mA
Construction
Primary TypeCRT
EnvelopeGlass
Base MaterialPlastic/Glass
SectionsSingle
Filament / Heater
Heater NotesIndirect by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage8800 V
Plate Dissipation6 W
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage200 V
Audio Performance
Key Features
- Flat face
- Post deflection acceleration
- Helical electrode
- Side contacts
- High sensitivity
- Metal-backed screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post accelerator voltage 4000V | 4000V | - | - | - | 0.01mA |
Application Notes
The post-accelerator helix is connected between g7 and g6. The tube should not be supported by the base alone. Low impedance deflection plate drive is desirable if full deflection is used.
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