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Dynatron

Informazioni - Aiuto 
ID = 45193
       
Stato:
USA (Stati Uniti d'America)
Produttore: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Progettista: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tipo:  Triodo a emissione secondaria 
  <1925 no serial production
Identico a Dynatron
Evoluzioni Pliodynatron  
Zoccolo Side contacts.
Filamento Direct / Specified voltage AC/DC
Descrizione This tube has three electrodes:
A filamentary cathode, a helical anode at high potential and an outer cylinder called "3rd electrode" kept at a lower potential.
The secondary electrons bounced back from the 3rd electrode are collected by the anode. The Dynatron behave as a true negative resistance device.
See also Pliodynatron. 
Testo in altre lingue (può variare)
Bibliografia Patent   US 1 387 984
Saga of the Vacuum Tube, Tyne   p.146
dynatron_sch3.png
Dynatron: US Pat. 1387986
Wolfgang Holtmann
dynatron_drawing1.png
Dynatron: US Pat. 1387984
Wolfgang Holtmann
 
ge_dynatron.jpg

 
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