. The Bell System technical journal . s amplitude increased by a burst of noise, the second pulse represents a clean digit pulse, and the third pulse a burst of noise. This group is at1 the input to the regenerator. Fig. 4B shows the same group of pulses after traversing the regenerator once. The pulses are seen to be shorteneddue to the gating, or retiming, action. There is also seen to be some ampli-tude correction, the two desired pulses are of more nearly the samej amplitude and the undesired pulse has been reduced in relative ampli-tude. After a few trips through the regenerator the
. The Bell System technical journal . s amplitude increased by a burst of noise, the second pulse represents a clean digit pulse, and the third pulse a burst of noise. This group is at1 the input to the regenerator. Fig. 4B shows the same group of pulses after traversing the regenerator once. The pulses are seen to be shorteneddue to the gating, or retiming, action. There is also seen to be some ampli-tude correction, the two desired pulses are of more nearly the samej amplitude and the undesired pulse has been reduced in relative ampli-tude. After a few trips through the regenerator the pulse group wasrendered practically perfect and remained so for the rest of the twenty-four trips around the loop. Fig. 4C shows the group after 24 trips. Inanother experiment pulses were circulated for 100 trips without deteri-oration. Nothing was found to indicate that regeneration could not berepeated 5A and 5B represent the same conditions as those of 4A and 4B 74 THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1956. Fig. 4 — Effect of regeneration on disturbances which occur at only one re-peater. A — Input to regenerator, original signal. B — Output of regenerator,first trip. C — Output of regenerator, 24th trip.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
