Antique radios, Old Time Radios
3A/108A
| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Telephony |
| Filament |
Vf 2 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
High Impedance triode
Ra, 50,000 ohms ; Gm 0.6 mA/V
|
| Information source |
Babani, International Radio Tube Encyclopaedia
-- Original-techn. papers.
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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3A/108A: Fin Stewart
Fin Stewart
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Just Qvigstad
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3A/108A: My schematic colection.
Pier Antonio Aluffi
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Collection of
Collection of a member from FIN |
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