A digital signal is a signal that represents data as a sequence of discrete values; at any given time it can only take on, at most, one of a finite … See more

To create a digital signal, an analog signal must be modulated with a control signal to produce it. The simplest modulation, a type of unipolar encoding, is simply to switch on and off a … See more

Digital signals may be sampled by a clock signal at regular intervals by passing the signal through a flip-flop. When this is done, the input is … See more

• Monty Montgomory. Digital Show & Tell.
• CodSim 2.0: Open source Virtual Laboratory for Digital Data Communications Model Department of Computer … See more

The term digital signal has related definitions in different contexts.
In digital electronics
In digital electronics, a digital signal is a pulse amplitude modulated signal, i.e. a sequence of fixed-width electrical pulses or light pulses, … See more

• Intersymbol interference See more