Edwin Howard Armstrong
The Most Prolific and Influential Inventor
in Radio History

December 18, 1890 - January 31, 1954

By:  Al Klase - N3FRQ


Greatly strengthens radio signals and makes them more audible.

The Superheterodyne Circuit (1918)

Allows radio listeners to tune to a single station, with optimum reception (modern radio)

The Superregenerative Circuit (1922)

- Opened up VHF communications

- Made Armstrong rich

The Frequency Modulation  System (1933)

- High-Fidelity broadcasting

- Superior mobile radio systems


His inventions and developments form the backbone of Radio Communications as we know it.