BODE DIAGRAMS, 1940 FIRST APPEARANCE
BODE, H.W. “Relations between Attenuation and Phase in Feedback Amplifier Design.” IN: The Bell System Technical Journal, Volume XIX, Number 3, pp. 421-55. New York: American Telephone and Telegraph Company, July, 1940. Octavo, original printed blue paper wrappers. $950.
First publication of Bode’s celebrated paper on Bode diagrams, from which engineers can determine the stability of feedback amplifiers.
See Tamer Basar’s Control Theory: Twenty-Five Seminal Papers (1932-1981), sponsored by the IEEE Control Systems Society; Bode’s “Relations between Attenuation and Phase…” is the third paper collected (in chronological order). Owner signature.