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About: D-MAC     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:SystemOfMeasurement113577171, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatTelevisionTransmissionStandardsyago:WikicatVideoFormatsyago:Abstraction100002137yago:Communication100033020yago:Format106636806yago:Information106634376yago:Measure100033615yago:Message106598915yago:Standard107260623yago:SystemOfMeasurement113577171 New Facet based on Instances of this Class

Among the family of MAC or Multiplexed Analogue Components systems for television broadcasting, D-MAC is a reduced bandwidth variant designed for transmission down cable. * The data is duobinary coded with a data burst rate of 20.25Mbit/s so that 0° as well as ±90° phasors are used. * D-MAC has a bandwidth of 8.4 MHz versus 27 MHz for C-MAC. * Most cable systems work on EBU 7 MHz channel spacing, so this approach did not work universally. * D-MAC's bandwidth problems were later fixed by D2-MAC.