The quite rare PA valve

of the



SE 109/3



                                                                                                           Staritz Abwehrfunk-Funkabwehr

German spy-set type 109/3

Albeit that the PA valve isn't visible from outside.

The English text was used as to fake the ordinary people; as one expected German language information on German sets.



                                                                                                                                                                                    Staritz Abwehrfunk-Funkabwehr

The schematic of the type 109/3 spy-set

The DLL 22T is clearly electrically shown on the right-hand side.

It is evident that both pentode sections being connected in parallel, effecting in an increased output power of 3 watt.



The type number DLL 22T on top



The pentode grids are well visible



The most outside grids constitute G3 or suppressor grid



Viewing it from a different angle



I suppose that 5 points at production information 


Maybe of some interest is my CHiDE contribution of 2003:




By Arthur O. Bauer