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Plation

Information - Help 
ID = 64161
       
Country:
Germany
Brand: Huth, Signalbau AG, Dr. Erich F. Huth (Signalbau Huth); Berlin später auch Hannover
Developer: Huth, Signalbau AG, Dr. Erich F. Huth (Signalbau Huth); Berlin später auch Hannover 
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to Plation
Similar Tubes
Other base:
  PLAV9A ; PLAV9D ; PLAV9H ; PLAV9S

Filament Vf 1.25 Volts / If 0.08 Ampere / Direct / Battery =
Description

Plation is just a brand name for the tubes PLAV9H, PLAV9S, PLAV9D and PLAV9A, not an other tube of this family. These gridless triodes were 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).

 
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Documents about this component
  Artikel in der Rubrik "Radio-Auskunftei" aus der Zeitschrift RAFA, 1924 Heft 17 S.349 206 KB

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