Electronic Components And Circuits Pdf

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An electronic circuit is composed of individual electronic components , such as resistors , transistors , capacitors , inductors and diodes , connected by conductive wires or traces through which electric current can flow. To be referred to as electronic , rather than electrical , generally at least one active component must be present. The combination of components and wires allows various simple and complex operations to be performed: signals can be amplified, computations can be performed, and data can be moved from one place to another.

Electronic circuit

There are numerous basic electronic components that are used for building electronic circuits. These components include resistors, diodes, capacitors, integrated circuits, and so on. Some of these components consist of two or more terminals that are soldered to circuit boards. Some may be packaged types like integrated circuits in which different semiconductor devices are integrated.

Here is a brief overview of each of these basic electronic components and you can get in-depth information by clicking links attached to each component. Electronic components are basic discrete devices in any electronic system to use in electronics otherwise different associated fields. These components are basic elements that are used to design electrical and electronic circuits. These components have a minimum of two terminals which are used to connect to the circuit.

The classification of electronic components can be done based on applications like active, passive, and electromechanical. In designing an electronic circuit following are taken into consideration:. These components are used to amplify electrical signals to generate electric power. The functioning of these components can be done like an AC circuit within electronic devices to protect from voltage and enhanced power.

An active component executes its functions because it is power-driven through an electricity source. All these components require some energy source that is normally removed from a DC circuit. As a result, they cannot amplify, although they can increase a current otherwise voltage or current.

These components use an electrical signal to make some mechanical changes like rotating a motor. Generally, these components use electrical current to form a magnetic field so that physical movement can be caused. Different types of switches and relays are applicable in these kinds of components.

The devices which have the process of electrical as well as mechanical are electromechanical devices. An electromechanical component is operated manually to generate electrical output through the mechanical movement. These components can store or maintains energy either in the form of current or voltage.

Some of these components are discussed below. A resistor is a two-terminal passive electronics component, used to oppose or limit the current. The units of the resistance are ohms Where R is the constant called resistance.

Resistors are further classified based on the following specifications such as the power rating, type of material used, and resistance value. These resistor types are used for different applications. This type of resistor is used to set the right conditions in an electronic circuit.

The values of resistance in fixed resistors are determined during the design phase of the circuit, based on this there is no need to adjust the circuit. A device that is used to change the resistance according to our requirements in an electronic circuit is known as a variable resistor. These resistors comprise a fixed resistor element and a slider that taps on to the resistor element.

Variable resistors are commonly used as a three-terminal device for calibration of the device. A capacitor made from two conductive plates with an insulator between them and it stores electrical energy in the form of an electric field. A capacitor blocks the DC signals and allows the AC signals and also used with a resistor in a timing circuit.

These capacitors are of different types like film, ceramic, electrolytic, and variable capacitors. For finding its value number and color-coding methods are used and it also possible to find the capacitance value with LCR meters.

Please refer to this link to know more about capacitors. An inductor is also referred to as an AC resistor which stores electrical energy in the form of magnetic energy. It resists the changes in the current and the standard unit of inductance is Henry. The capability of producing magnetic lines is referred to as inductance.

Other passive electronic components include different types of sensors, motors, antennas, memristors, etc. To reducing the complexity of this article few of the passive components are discussed above. These components rely on a source of energy and are able to control the electron flow through them. A diode is a device that allows current to flow in one direction and usually made with the semiconductor material. It has two terminals, anode and cathode terminals.

These are mostly used in converting circuits like AC to DC circuits. Please refer to this link to know more about diodes. A transistor is a three-terminal semiconductor device. Mostly it is used as a switching device and also as an amplifier.

This switching device can be voltage or current controlled. By controlling the voltage applied to the one terminal controls the current flow through the other two terminals. Please refer to this link to Know more about transistors. An Integrated circuit is a special component that is fabricated with thousands of transistors, resistors, diodes, and other electronic components on a tiny silicon chip. These are the building blocks of current electronic devices like cell phones, computers, etc.

These can be analog or digital integrated circuits. These can be classified as linear and nonlinear ICs depending on its application. Please refer to this link to Know more about integrated circuits. LCD: A liquid crystal display LCD is a flat display technology, which is mostly used in applications like computer monitors, cell phone displays, calculators, etc.

This technology uses two polarized filters and electrodes to selectively disable or enable the light to pass from reflective backing to the eyes of the viewer. Please refer to this link to Know more about LCD. The display like 16X2 LCD is the most frequently used module in electrical as well as electronic circuits. This kind of display includes 2 rows and 16 columns so it is known as an alphanumeric display.

This kind of display is used to show the highest of 32 characters. Please refer to this link to know more about 16 X 2 LCD. Cathode ray tube display technology is mostly used in televisions and computer screens that work on the movement of an electron beam back and forth on the back of the screen. This tube is an elongated vacuum tube in which the flattened surface has external components as an electron gun, electron beam, and a phosphorescent screen.

Please refer to this link to Know more about cathode-ray tube. In electronic circuits, the DC power supply is very essential which is used as one kind of power source. The major electronic components work with DC power supply because it is a consistent power source. A wall adapter is used as an alternate to the DC power supply in some projects which require 5V otherwise 12V.

The battery is one kind of electrical energy storage device. This device is used to change the energy from chemical to electrical to supply the power to various electronic devices like mobile phones, flashlights, laptops, etc.

These consist of one or more cells and each cell contains an anode, cathode, and electrolyte. Batteries are available in various sizes which are also divided into primary as well as secondary. Please refer to this link to Know more about Batteries. An electromagnetic switch like the relay is used to operate the circuits electronically otherwise electromechanically. A relay uses less amount of currents to operate so generally they are used to change low currents within a control circuit.

But relays can also be used for controlling high electric currents. A relay switch can be operated through a less current to switch ON a different circuit. These are either solid-state or electromechanical relays. An EMR or electromechanical relay includes a coil, frame, contacts, and armature, spring. A copper wire or coil is wounded around a metal rod to produce a magnetic field that moves the armature.

The conducting parts like contacts are used to close and open the circuit. These relays are very popular because they are inexpensive, reliable, and very fast as compared with electromechanical relays. Please refer to this link to know more about relay. The term LED stands for light-emitting diode. It is a semiconductor device used to emit light whenever a current supply flows through it.

In the semiconductor material, the charge carriers like electrons and holes combine then light can be generated. When light generates in the solid semiconductor material then these LEDs can be known as solid-state devices. GaP Gallium Phosphide is available in green and yellow colors. The applications of LEDs includes from cell phones to the large display boards which are used for advertising purpose and also used in magical light bulbs At present, the usage of these devices is increasing quickly because of their extraordinary properties.

Please refer to this link to know more about LEDs. A microcontroller is one kind of IC designed to execute a specific task within an embedded system. Sometimes, these are called MCU microcontroller unit otherwise embedded controller. These are mainly used in robots, vehicles, medical devices, office machines, home appliances, vending machines, mobile radio transceivers, etc.

Please refer to this link to know more about Microcontroller. A switch is one kind of electrical component, used to connect or disconnect the conducting lane within the circuit so that electric current can be supplied or interrupted from one conductor to another. An electromechanical device is the most common kind of switch that comprises one or more electrical contacts that are movable and connected to other circuits.

Once the set of contacts in the circuit are connected then there is a flow of current. Similarly, when the contacts are disconnected then there is no flow of current.

The Basics of Electrical Components

There are numerous basic electronic components that are used for building electronic circuits. These components include resistors, diodes, capacitors, integrated circuits, and so on. Some of these components consist of two or more terminals that are soldered to circuit boards. Some may be packaged types like integrated circuits in which different semiconductor devices are integrated. Here is a brief overview of each of these basic electronic components and you can get in-depth information by clicking links attached to each component. Electronic components are basic discrete devices in any electronic system to use in electronics otherwise different associated fields. These components are basic elements that are used to design electrical and electronic circuits.

If you are interested in learning everything about electricity, you should start by understanding the basic components that make up any electrical design and how they work. Think about how the great pyramids of Egypt were built using just blocks of rock. The rocks themselves were nothing, but when combined with a careful design they formed such grand structures! Similarly, you need to know about the basic electrical components and how they work together to create wonderful modern electrical systems. Below you will find information about the most common electrical components:. The very first component that you should know about is the resistor. It is fairly easy to assume that a resistor, as the name suggests, will resist electricity that flows through it, and you would be correct in that assumption too!


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How Electronic Components Work

Electronic gadgets have become an integral part of our lives. They have made our lives more comfortable and convenient. From aviation to medical and healthcare industries, electronic gadgets have a wide range of applications in the modern world.

The world of electronic components can be summarized with a short list of items. Here are more details on these essential parts of modern electronics. What are the electronic components?

The Basics of Electrical Components