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Variable Frequency Electric Circuit Theory, development of a variable frequency electric circuit theory with application to the theory of frequency modulation. John R. Carson, Thornton C. Fry.

Variable Frequency Electric Circuit Theory, development of a variable frequency electric circuit theory with application to the theory of frequency modulation.

Bell Telephone System technical publications, Monograph B-1032, orig. published in Bell System Technical Journal, vol XVI October 1937; separately paginated Monograph, 28 pages.
Condition: Very Good, light blue stiff paper covers, softcover, 3-hole punched at margin, light foxing and toning at margins, some thumbwear. With John R Carson signature at upper righthand front cover.
Price: $25.00
Item no. M750
Item Description
Variable Frequency Electric Circuit Theory, development of a variable frequency electric circuit theory with application to the theory of frequency modulation. Bell Telephone System, Monograph B-1032

'In this paper the fundamental formulas of variable frequency electric circuit theory are first developed. These are then applied to a study of the transmission, reception and detection of frequency modulated waves. A comparison with amplitude modulation is made and quantitative formulas are developed for comparing the noise-to-signal power ratio in the two modes of modulation'(from the Abstract)

Signature of John R Carson at upper righthand front cover.