5670
13 Tubes in archive
BrandGeneral Electric
ClassTwin Triode
Base9-pin miniature
Filament6.3V @ 350mA
Construction
Primary TypeTwin Triode
EnvelopeT-6.5
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.35 W
Grid 1 Voltage-55 V
Cathode Current18 mA
H-C Voltage100 V
Audio Performance
Typical THD10%
Power Output1 W
Key Features
- Medium Mu
- High Transconductance
- Shock and Vibration Ratings
- Heater-Cycling Rating
- Separate Cathode Connections
- Special-Quality for Industrial and Military Applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 150V | 5500 | 6400 | 35 | 8.2mA |
| Push-Pull Class AB1 Amplifier | 300V | - | - | - | 6.3mA |
Application Notes
The 5670 is suited for use in general-purpose amplifier and mixer circuits as well as multivibrator and oscillator applications. The useful operating range extends from low frequencies through the VHF region.
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