radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Dynatron

Information - Help 
ID = 45193
       
Country:
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Secondary Emission Triode 
  <1925 no serial production. For instance only development samples. *****
Identical to Dynatron
Successor Tubes Pliodynatron  

Base Side contacts.
Filament Direct / Specified voltage AC/DC
Description 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. 
Text in other languages (may differ)
Information source 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

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information