Digital burst signal transmission system

Details Digital burst signal transmission system Digital burst signal transmission system

1982-05-28

1984-11-27

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

332 37R, 375 68, H03C 106

Patent

active

044854781

ABSTRACT:
A gated data burst in a multiplex transmission system is low pass filtered and modulates a carrier wave. The modulated signal has transient skirts on its leading and trailing edges due to the roll-off characteristic of the filter, and these skirts would ordinarily interfere with the signal bursts in adjoining time slots. To avoid this the skirts are clipped off by a further gate signal whose window is slightly wider than that of the first gate, and which is timed such that its edges occur at 0 levels of the burst carrier.

REFERENCES:
patent: 2089781 (1937-08-01), Buschbeck
patent: 3225314 (1965-12-01), Rambo
patent: 3418581 (1968-12-01), Kennedy et al.
patent: 3649918 (1972-03-01), Freedman et al.
patent: 3688214 (1972-08-01), Goldie

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