Tube-number record
D14-290GH
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BrandPhilips
ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular flat-faced
Base MaterialGlass
SectionsSingle beam
Filament / Heater
Heater NotesIndirect heating, parallel supply
Absolute Maximum Ratings
Plate Voltage12000 V
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Domed post-deflection acceleration mesh
- Metal-backed screen
- Internal rotation coil
- Electrostatic focusing
- Double electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Oscilloscope Operation | 10000 V | — | — | — | — |
Application Notes
Primarily intended for use in compact oscilloscopes with 25 to 50 MHz bandwidth. Low impedance deflection plate drive is desirable if full deflection capabilities are used.
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