Tube-number record
D14-290
0 archive entries
D14-290 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: brand Philips, construction Display / CRT, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassOscilloscope Tube
Filament6.3 V @ — mA
Construction
Primary TypeDisplay / CRT
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.
0 results