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BrandVEB Werk für Fernsehelektronik Berlin
ClassDecade Counter Tube
Base13-17
Construction
Primary TypeCold Cathode
EnvelopeGlass
SectionsDecade
Filament / Heater
Absolute Maximum Ratings
Plate Voltage450 V
Grid 2 Voltage140 V
Grid 1 Voltage-20 V
Cathode Current0.55 mA
Audio Performance
Key Features
- Gas-filled
- Pure metal cathodes
- Forward and backward counting
- Internal radioactive ring for stability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Counter Operation | 450V | - | 750000 | - | 0.35mA |
Application Notes
The cathode k0 is aligned vertically above pin 1. Anode resistor should be mounted directly at the socket to avoid stray capacitance.
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