D14-290
0 Tubes in archive
BrandPhilips
ClassOscilloscope Tube
Filament6.3V @ -mA
Construction
Primary TypeCRT
EnvelopeGlass
SectionsMonochrome
Filament / Heater
Heater NotesStandard heater voltage for D14 series oscilloscope tubes.
Absolute Maximum Ratings
Plate Voltage10000 V
Audio Performance
Key Features
- Internal Mesh
- Post-Deflection Acceleration (PDA)
- Internal Raster
- Wertheim Bulb
- PDA side contact
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscilloscope Service | - | - | - | - | - |
Application Notes
Specifically designed for oscilloscope use up to 50 MHz. Features an internal raster and metal mesh structure. PDA button attachment requires careful epoxy mixing.
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