Stephen Butterworth

Stephen Butterworth
OBE
Born11 August 1885 (1885-08-11)
Rochdale, Lancashire, England
Died28 October 1958(1958-10-28) (aged 73)
Cowes, Isle of Wight, England

Stephen Butterworth OBE (1885–1958) was a British physicist who invented the filter that bears his name,[1] a class of electrical circuits that separates electrical signals of different frequencies.

  1. ^ Stephen Butterworth (1930) "On the theory of filter amplifiers," Experimental Wireless and the Wireless Engineer, vol.7, pp. 536–541.