During the process of rectification, the output generated will not result in the pure DC form. Instead, there is the presence of ripples in the output. The ripples are the unwanted AC part present in the output DC. This affects the efficiency of the circuit. The frequencies that are undesirable to the circuit can be filtered by connecting the capacitor filter across the load. As we use voltage regulators these capacitor filters are kept after it so that the output that is generated gets … [Read more...]
What is Varistor : Working Principle, Construction and Its Applications
A resistor is an electric component that is used to limit the flow of current in an electric circuit. It is basically a resistive component. It has two terminals and is used in almost all electric circuits. It can also be sued to adjust signal levels and terminate transmission lines. There are different types of resistors available each meant for a specific purpose. A varistor is one such type of resistor, used to change the resistance in the circuit by changing the voltage. Its design is almost … [Read more...]
Sum of Products and Product of Sums : Types and Schematic Diagrams
We are all more familiar with the terms SUM and PRODUCT in mathematics. Based on these terms, AND and OR logical operations are derived. Any kind of logical expression can be represented through these terms and there are many ways of expressing a logical function. AND represents the product relationship between the terms whereas OR represents sum relationship. So, Sum of Products and Product of Sums are the equivalent approaches of representing a logical expression. Through few principles, these … [Read more...]
Shift Registers its Types, Truth Table, Code and Applications
Shift Registers are constructed using latches or the Flip-Flops. These Sequential circuits are used to generate certain delays in the digital waveforms or signals. To send data bits into the microprocessors/microcontrollers and for reading data out these, shift registers are used. The 'n' number of stages in the register is proportional to the delay generated in the circuit by n times. These registers play a vital role in long distance communication (like UART) between two processors to avoid … [Read more...]
What is a Bypass Capacitor : Types, Functions & Its Applications
A capacitor is a device that can be used to store electric energy. It has two terminals and its effect is called capacitance. A capacitor basically consists of two metal plates that act as a conductor with a dielectric medium in between. The conductor may be in the form of electrodes or metal plates or thin foil. The dielectric material is used to increase the capacitance. There are different types of capacitors and a bypass capacitor is one of them. It is a component in an electric circuit that … [Read more...]
What is a Surge Protector: Working, Types, Advantages & Disadvantages
There are various types of electronic devices used in our day to day activities. Many of these appliances require a power supply as the basic unit for functioning. This supply provided at home or for the business purpose is not constant as there would a lot of surge. The generation of the surge is due to the thunder striking or it may be because of the type of electromagnetic noise generated or may also be due to grid switching. To protect the appliances from such voltage spikes protection is … [Read more...]
An Overview on the Concept of Frequency Modulation
Amplitude Modulation is not only the approach of modulating the signal, but there also exist many other kinds of modulation techniques. Frequency Modulation is one of the types of modulation. In the earlier days of communications, the necessary bandwidth for transmission of signals was not wide and even they do not hold the ability to reduce the interference signals. In such a scenario, frequency modulation was introduced but it was not much accurate compare with amplitude modulation. Then … [Read more...]
Logic Gate: Working principle, Types, and Uses
In this digital world of electronics, the information is stored in the form of bits (Binary). Certain arithmetical operations like addition, subtraction, multiplication, and division are to be performed on these bits. The combination of 'Arithmetic Operation' with certain 'logic' using binary numbers was established by Leibniz. Further, the electrical circuits of switching based on vacuum tubes were designed. The invention of relays replaced the 'vacuum tubes' in switching circuits. Finally, … [Read more...]
Coupling Capacitor Construction, Working, Calculation, and Applications
Coupling capacitor is the basic type of capacitors. A capacitor is a storage device that is known for storing the charge. Its structure is very simple in design. Parallel plates that are present in a capacitor are separated by the dielectric. Hence this makes the capacitor capable to store charges. A capacitor is available in various forms. One of the forms of this capacitor is coupling capacitors. The purpose of this type of capacitors is that to couple the output of the signal in AC form … [Read more...]
RC Coupled Amplifier Circuit Working, Types and Frequency Response
RC coupled amplifier is a basic type of amplifier with the various stages present in it. In other words, if we describe RC coupled amplifier we can say that an amplifier that consists of resistors and capacitors which acts a voltage divides and couplers to form multiple/single stage for better amplification. These are the basic circuits that are present in the various types of electronic equipment especially in RF signal or other communication devices as it helps in improving the signal strength … [Read more...]