Technical Info   on Transistors

Technical innovation: The big valve radio is from 1940 and the small transistor one from 1960. Clearly the transistor made radios smaller from the start. This could not be done with tubes. The pocket radio was a true fact in the 1950's.


Technical Subjects:





©Hans Hilberink 14-10-2001 - ON9MMK - sponsor:  LTS®