Electronic Circuits for Beginners
Electronic Circuits for Beginners Explained by Experienced Electronics Engineer.
This Tutorial on Electronic Circuits for Beginners is written to present authentic information. All information published herein on electronic circuits may be helpful for hobbyists, students, professionals, engineers etc.
Electronic Circuit Definition
An Electronic Circuit may be defined as a collection of electronic elements that performs a prescribed function. It is an electrical circuit that contains active and passive electronic components such as Capacitor, Resistor, Transistor, Diodes, Vacuum Tubes etc.
So we can say that an electronic circuit is a closed path formed by connections and interconnection of electronic components through which electric current can flow. The electronic circuits may be physically constructed using any number of methods.
Types of Electronic Circuits
Electronic circuits are categorized as Analog Circuits , Digital Circuit and Mixed-signal Circuit (a combination of analog and digital).
Now, let us understand each of these in detail:
1. Analog Circuits
Analog Electronic Circuits are those in which signals may vary continuously with time to correspond to the information being represented.
Electronic equipment like voltage amplifiers, power amplifiers, tuning circuits, radios, and televisions are mainly analog.
The basic units of analog circuits are passive (resistors, capacitors, inductors, and memristors) and active.
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2. Digital Circuit
In Digital Circuits, electric signals take on discrete values, which are not dependent upon time, to represent logical and numeric values. These values represent the information that is being processed.
The transistor is one of the primary components used in Digital Circuits.
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3. Mixed-signal Circuits
Mixed-signal Circuits are also called hybrid circuits. They contain elements of both analog and digital circuits.
Examples of Mixed-Signal Circuits are – Comparators, Timers, PLLs, ADCs (analog-to-digital converters), and DACs (digital-to-analog converters).
Read More on: Mixed Signal Circuit
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