Tube-number record
30L15
0 archive entries
BrandEdiswan Mazda
ClassCascode RF Double Triode
BaseNoval (B9A)
Filament7 V @ 0.3 mA
Construction
Primary TypeDual triode
EnvelopeMiniature
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated—for series operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Grid 1 Voltage-50 V
Cathode Current16 mA
Audio Performance
Key Features
- Separate cathodes
- Shielded sections
- AC/DC powered series heater chains
- Miniature based
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Circuit 1 (Potentiometer Bias) | 200 V | 8500 | — | 26 | 15.3 mA |
| Circuit 2 (Grid Current Bias) | 200 V | 8600 | — | 26 | 14.8 mA |
Application Notes
The 30L15 is designed for use as a Cascode RF Amplifier in television receivers.
Datasheets
Datasheet: 30L15.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results