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Friday, 16 December 2011

Disadvantages of Digital Transmission


Disadvantages of Digital Transmission
-      the transmission of digitally encoded analog signals requires significantly more bandwidth than simply transmitting the original analog signal
-      needs additional encoding and decoding circuitry because analog signals must be converted to digital pulse prior to transmission and converted back to their original analog form at the receiver
-      digital transmission requires precise time synchronization between the clocks in the transmitters and receivers
-      incompatible with older analog transmission systems



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