Tube-number record
3CE5
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BrandTung-Sol
ClassRF Pentode
BaseMiniature 7-pin (B7G)
Filament3.15 V @ 600 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- High transconductance
- Closely controlled grid cutoff characteristics
- Controlled heater warm-up time for series string use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 125 V | 7600 | 300000 | — | 11 mA |
Application Notes
Designed for performance in low cost VHF television tuners and IF stages, improving automatic gain control.
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