EM 84
0 Tubes in archive
BrandPhilips
ClassIndicator Tube
BaseNOVAL
Filament6.3V @ 210mA
Construction
Primary TypeIndicator tube with amplifying triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.5 W
Grid 2 Voltage300 V
Grid 1 Voltage-1.3 V
Cathode Current3 mA
H-C Voltage100 V
Audio Performance
Key Features
- Amplifying triode section
- Linear indicator display
- A.C. or D.C. heater supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tuning Indicator (Grid 0V) | 250V | - | 470000 | - | 1mA |
| Tuning Indicator (Grid -22V) | 250V | - | 470000 | - | 1.8mA |
Application Notes
Used as a tuning indicator or for modulation control.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results