Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 359
cir-cuits if the terminal conditions are properly deduced.The general expressions for current and voltage are equa-tions (65) and (66), wherein the constants A and B dependupon the conditions existing at the ends of the line wire.The values of these constants with duplex and quadruplexsignalling… … the protective resistance in series with each generator, andr = resistance of each artificial line, as indicated in Fig. 7for one station. Placing j = o in equations (65) and (66),there results/„ = B, and E,= -?-A= —^ E/ - I,^ = qE, - I,^, 2 2 where „ = q for simplicity. The current and 2 CURRENT…
Telegraph
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