10/19/2026
Edwin Howard Armstrong was an American electrical engineer best known for having invented foundational electronic circuits still used in moder radio, radar and television. These inventions include the regenerative circuits, the superheterodyne circuit, and the FM radio. The regenerative circuit was the first amplifying receiver and the first reliable continuous-wave transmitter, while his crowning achievement, the FM radio, revolutionized the way people listened to news and music.
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