Introduction
Analog vs. Digital Waveforms
Analog Waveform – can take on any voltage value
Digital Waveform – takes on discrete voltage values
Time
Analog signals can take on a continuum of values while
digital signals take on only discrete values.
Time
Voltage
Analog Signal
takes on a
Continuum of
Voltage values
5
4
3
2
1
0
Voltage
5
0
Example of Digital
Signal taking on two
discrete values
(0 Volts and 5 Volts)
4
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