. The Bell System technical journal . ~r. .S 3I- u is c u ^ s 0 3 ^ s£ s 1 O SINGLE SIDEBAND TRANSMISSION 73 transmission over the same transducer, the carrier being located at thecenter of the characteristic, the dark current being practically will be observed that the single sideband transmission gives ma-terially more detail than the double sideband transmission, thus indi-cating that the presence of the quadrature component is not nearly soserious as a halving of the frequency range. It might perhaps bethought that this unfavorable showing of the double sideband trans-mission is du


. The Bell System technical journal . ~r. .S 3I- u is c u ^ s 0 3 ^ s£ s 1 O SINGLE SIDEBAND TRANSMISSION 73 transmission over the same transducer, the carrier being located at thecenter of the characteristic, the dark current being practically will be observed that the single sideband transmission gives ma-terially more detail than the double sideband transmission, thus indi-cating that the presence of the quadrature component is not nearly soserious as a halving of the frequency range. It might perhaps bethought that this unfavorable showing of the double sideband trans-mission is due to the presence of some special distortion which mightbe expected in a filter designed for single sideband transmission whenused in a manner not intended. On examining the characteristics nosuch distortion is found. Acknowledgment We have had the helpful cooperation of Dr. P. Mertz in this in-vestigation. Low Temperature Coefficient Quartz Crystals By W. p. MASON In this paper a review and amplification are given of the typesand chara


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1