Tube-number record
7GS7
0 archive entries
BrandMatsushita
ClassTriode-Pentode Tube
BaseNoval (B9A)
Filament7.6 V @ 300 mA
Construction
Primary TypeMulti-section
EnvelopeT6 1/2
Sections2
Filament / Heater
Heater NotesDesign center values
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Grid 2 Voltage150 V
Cathode Current18 mA
H-C Voltage100 V
Audio Performance
Key Features
- Miniature medium mu triode
- High-slope RF pentode
- Frequency changer in VHF television tuners
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 170 V | 12000 | 350000 | — | 10 mA |
Application Notes
To fulfill modulation hum requirements in intercarrier receivers, heater-cathode voltage should not exceed 75 volts rms. In AM sound receivers, it should not exceed 50 volts rms.
Datasheets
Datasheet: 7GS7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results