Catalogue de radios anciennes
PLAV9H
| Culot |
Huth base
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| Utilisé par |
Radio/TV-reception etc. |
| Chauffage |
Vf 1.25 Volt / If 0.08 Ampère / Direct / Battery = |
| Description |
This gridless triode was developed so as not to infringe with the Lee de Forest patent (owner RCA) on the control grid. Instead, the plate close to the filament has influence on the electron flow towards the other plate (anode).
For marking purposes, the upper part of the glass bulb of the PLAV9 tubes was painted blue, at least for a while.
Texte dans d'autres
langues (peut différer)
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| Bibliographie |
-- Original prospect or advert
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PLAV9H: eigene Sammlung
Gerhard Eisenbarth
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PLAV9H: Riepka, Die Röhre, 1926
Anonyme 15 Collectionneur
Plus d'infos ...
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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