BSTJ 1: 1. July 1922: Philadelphia-Pittsburgh Section of the New York-Chicago Cable. (Pilliod, James J.) (1922)
leaf 21
the four-wire repeater units in somewhatgreater detail. NEW YORK-CHICAGO CABLELine Impedance SI In order that networks may be used to balance the lines for repeateroperation, it is necessary as a practical proposition that the impe-dance characteristics of the lines be fairly uniform over the range… … Fig. 25—Assembly of Four-Wire Repeater Apparatus / /- 1 -. -/ V .---- -- , ia --^, \ - .J. 1500 2000 Coil »in»cto In 13th iictioh C«uiv«llNi lNooet»N« Fig. 26—Line Characteristics—A Cable Circuit in Normal Condition 82 BELL SYSTEM TECHNICAL JOURNAL resistance component found in impedance…
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