Difference Between Analog Signals And Digital Signals. In this article, you will come to know about what is analog signals, what is digital signals, what is the main difference between analog signals and digital signals, and a comparison between analog signals vs digital signals.
Both the terms are two types to transfer the signals. SIgnals carry information from one device to another. Analog signals and digital signals are totally different from each other. But, some of us are not aware of them. Here, we will first discuss the main difference between them, then differentiate between them in detail.
What Is The Main Difference Between Analog Signals And Digital Signals?
The main difference between analog signals and digital signals is that the:
-Analog signals are the type of signals that have continuous electrical signals. It keeps on changing over a time period.
-Digital signals are the type of signals that have non-continuous electrical signals. It is discrete in nature.
What Is Analog Signals?
Analog signals are the type of signals that have continuous electrical signals. It keeps on changing over a time period. These types of signals are used in many devices to carry information. Analog signals have a continuous value and time. It has no fixed range. It is represented by amplitude, period or frequency and phase.
In other words, they are naturally occurring signals. Analog signals transmit information or data in the form of a wave. For example, the Human voice is a type of analog signal. These signals are also used for physical values and natural terms like earthquake, frequency, volcano, speed of wind, weight, lighting, etc.
What Is Digital Signals?
Digital signals are the type of signals that have non-continuous electrical signals. It is discrete in nature. They are not continuous, but their value or time is discrete. Digital signals are represented by binary numbers (in the form of square waves) and consist of various voltages. It consists of 0s and 1s. As it is described as a bit, which describes the frequency of bit interval.
The digital signals are also called ‘harmonics’, as they can be further decomposed into sine waves. Each wave is different from the other with different amplitude, frequency and phases. Digital signals are used in computers, optical drivers, and other various electronic devices. Digital signals are easier and reliable than analogue signals.
Comparison Between Analog Signals Vs Digital Signals:
-Analog signals are continuous signals.
-Digital signals are non-continous signals.
-Analog signals are represented by sine waves.
-Digital signals are represented by square waves.
-Analog signals have a continuous range of values.
-Digital signals have a discontinuous range of values.
-Analog signals are natural waves.
-Digital signals are binary waves.
featured image source: https://www.strath.ac.uk/