. The Bell System technical journal . NICAL JOURNAL An interesting feature of both current and voltage waves is thatwhen a sufficient time has elapsed after the arrival of the head of thewave, the waves become closer and closer to the wave of the cor-responding non-inductive cable; that is, to the cable having the sameR,C and G. Consequently the inductance plays no part in thesubsidence of the waves to their final values. 026024 ai6 ai2 y y^^ ■~ ^___ / / / / / t-4t/x RC 24 2fl 40 7? CFig. 13—Propagated current in line; ^\ —:)i; = 10; G = 0. Multiply ordinates by 2/Rx. Q26r024 aio Q06- x-4t


. The Bell System technical journal . NICAL JOURNAL An interesting feature of both current and voltage waves is thatwhen a sufficient time has elapsed after the arrival of the head of thewave, the waves become closer and closer to the wave of the cor-responding non-inductive cable; that is, to the cable having the sameR,C and G. Consequently the inductance plays no part in thesubsidence of the waves to their final values. 026024 ai6 ai2 y y^^ ■~ ^___ / / / / / t-4t/x RC 24 2fl 40 7? CFig. 13—Propagated current in line; ^\ —:)i; = 10; G = 0. Multiply ordinates by 2/Rx. Q26r024 aio Q06- x-4t/x^RC 0 04 08 16 20 U ZR I?. 56 4C Fig. 14—Propagated current in cable. Multiply ordinates by 2/Rx. ELECTRIC CIRCUIT THEORY 77 Curves (16), (17) and (18) illustrate the voltage wave for severalconditions. After the arrival of the head, the wave slowly buildsup to its final value. Curve (18) represents the case where the lineis very nearly distortionless, showing how completely the distortingtail of the wave is 160 200 220 240 260 280 300 320 540 Fig. 15—Propagated current in line; .t = 200 360 380 2 ^ L^ 2^ C Multiply ordinates by -^~-^^


Size: 2460px × 1016px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1