Quick Facts

NAME: Edwin Armstrong
OCCUPATION: Engineer, Inventor
BIRTH DATE: December 18, 1890
DEATH DATE: January 31, 1954
EDUCATION: Columbia University
PLACE OF BIRTH: New York, New York
PLACE OF DEATH: New York, New York

Best Known For

In 1933, electrical engineer Edwin Armstrong invented the circuits that made FM radio possible.

Edwin Armstrong biography

Profile

Edwin Armstrong was studying at Columbia University in 1912 when he devised a feedback circuit that brought in signals with a thousandfold amplification. This circuit was the heart of all radio and television broadcasting. It earned him the Franklin Medal, the highest U.S. scientific honor. His 1933 invention of circuits that produced the carrier waves for frequency modulation made FM radio possible.

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Edwin Howard Armstrong

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Edwin Howard Armstrong. (2013). The Biography Channel website. Retrieved 01:28, May 23, 2013, from http://www.biography.com/people/edwin-armstrong-9188800.

Harvard Style

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MLA Style

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MHRA Style

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Chicago Style

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CBE/CSE Style

Edwin Howard Armstrong [Internet]. The Biography Channel website; 2013 [cited 2013 May 23] Available from: http://www.biography.com/people/edwin-armstrong-9188800.

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AMA Style

Edwin Howard Armstrong. The Biography Channel website. 2013. Available at: http://www.biography.com/people/edwin-armstrong-9188800. Accessed May 23, 2013.