Analog and Digital Transmission
Digital-to-Analog Conversion
Analog-to-Analog Conversion
Digital-to-analog conversion is the process of changing one of the characteristics of an analog signal based on the information in digital data
Data element versus signal element
Data rate ...See more
(bit rate) versus signal rate (baud rate)
S = N x 1/r baud
S (signal rate), N (data rate),
r (number of data element in one signal element)
Bit rate: bits per second (in bps)
Baud rate: signal elements per second (in baud)
Bit rate baud rate
Carrier signal (carrier frequency)
High-frequency signal used to modulate the information
Modulated signal: information modulated by the carrier signal
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DC Unit - II(C).ppt
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