. The Bell System technical journal . en C3u O 0)+-» bec 3beID o s o be 590 BELL SYSTEM TECHNICAL JOURNAL o Q. UJ I-(/1 C H QUJ cccr UJU-UJ cr I UJ crO > <r DU JDU I z ^^ --, . -^ / -^ ^_ ^ / 1 0 3 0 5 0 IC )0 2( 50 500 1000 2000 500C 3000 CYCLES PER SECONDFig. 18—Gain-frequency characteristic of regulating repeater without line equalizer. (0Ozooiij UJ DELAY INTRODUCEDI BY LINE DELAY INTRODUCED BY LINE AND EQUALIZER 10 30 50 100 200 500 1000 2000 CYCLES PER SECOND 5000 8000 Fig. 19—Delay-frequency characteristic of 50 miles 16-ga. B-22 cable with and without
. The Bell System technical journal . en C3u O 0)+-» bec 3beID o s o be 590 BELL SYSTEM TECHNICAL JOURNAL o Q. UJ I-(/1 C H QUJ cccr UJU-UJ cr I UJ crO > <r DU JDU I z ^^ --, . -^ / -^ ^_ ^ / 1 0 3 0 5 0 IC )0 2( 50 500 1000 2000 500C 3000 CYCLES PER SECONDFig. 18—Gain-frequency characteristic of regulating repeater without line equalizer. (0Ozooiij UJ DELAY INTRODUCEDI BY LINE DELAY INTRODUCED BY LINE AND EQUALIZER 10 30 50 100 200 500 1000 2000 CYCLES PER SECOND 5000 8000 Fig. 19—Delay-frequency characteristic of 50 miles 16-ga. B-22 cable with and without delay equalizer. LONG DISTANCE CABLE CIRCUIT 591 of transmission through the combination of cable and networks forall frequencies in the band to be transmitted. Fig. 19 shows thedelay characteristic of a section of cable 50 miles in length, with andwithout the delay-equalizing networks. The delay is seen to be main-tained within db milli-second of a constant value. A schematiccircuit of these networks is shown in Fig. 20. With the greatest
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
