Telefunken Transistors


The Telefunken glass transistor of the well known OC-series.

 

Left: a Germanium crystal of Telefunken, right the ready Transistors.

                                                         

 

 

Some other outlines of Telefunken transistors

 

 

A typical schematic of a transistor radio of the 1950's using 3 Telefunken transistors.

PE1MMK 1996