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The difference between analog and digital signals.

Analog and digital signals are a means of representing information. An analog signal is a continuously varying signal, so called because it is analogous to the original data.[1]


Commonly seen as in transistors (in non-switching mode), RC filters and many other circuits.


Analogue synthesizers use analogue circuitry such as Voltage Controlled Oscillators to generate simple waveforms such as square waves and sawtooth waves and Voltage Controlled Filters to process the waveforms. Both analogue and digital synthesizers produce an analogue waveform (as a variable voltage electrical signal) at the output.[2]



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