ABSTRACT
Thetwofundamentallimitstothequantityofinformationthatcanbetransmittedinagiventimeareas follows[1,11,12]:
a)Limittothenumberofdifferentlevelswhichmaybedistinguished;noiseisresponsibleforthis limit.
b)Finitetimewhichisneededforthequantitytochangefromoneleveltoanother;mechanical inertiaorcapacitiveandinductivecircuitelementsareresponsibleforthislimit,whichis expressedbybandwidthandrisetime.
