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What is a Comparator – Types & Its Working

January 5, 2021 By admin

Comparators are classified into various kinds, such as electronic, electrical, mechanical, optical, sigma, digital and pneumatic comparators, these are used in various applications. Comparators play an essential role in designing electrical and electronic projects. In electronic circuits, an op-amp is used with negative feedback and it can also be used as a comparator. The comparator is mainly designed without feedback for open loop configuration. These are widely used in A/D converters. When … [Read more...]

All about Amplifiers and their Workings

January 5, 2021 By admin

An amplifier is one of the most commonly used electronic devices in the world. It's a basic building block of a vast number of circuits, and comes in various forms. Amplifiers can be defined simply as an electronic device that increases the power of a signal. In other words, it increases the amplitude of a signal, and makes it stronger than the given input. Although this sounds simple in theory, amplifiers have a lot of parameters and conditions in the real world. Amplification is never … [Read more...]

Know about Klystron Amplifier Types with Applications

January 5, 2021 By admin

The term “Klystron amplifier” was designed by two brothers, namely Sigurd Varian and Russell at Stanford University.The prototype and the demonstration of this amplifier is finished successfully on 30th august 1937 and published in the year 1939. News of the klystron amplifier was influenced by the US and UK researchers which are working on radar device. These amplifiers are one type of microwave vacuum tubes which are used as an amplifiers in some radar devices as amplifiers. These amplifiers … [Read more...]

Different Types of Motion Sensors & Their Working

January 5, 2021 By admin

Different types of motion sensors are commonly used in security systems. They work based on a wide variety of principles and are used in a wide variety of applications. Typical usage could be in the exterior doorways or windows of a building for monitoring the area around the building. Upon detecting motion, they generate an electrical signal based on which some actions are taken. Some operate in much the same way as a military radar scanner, while others work based on vibration, infrared … [Read more...]

What is a Carey Foster Bridge : Construction & Its Working

January 1, 2021 By WatElectronics

Carey Foster Bridge

Carey Foster bridge is basically used to calculate the difference between the resistance of two elements. It was invented by scientist Carey Foster in the year 1872. It is one of the variant forms of a wheat stone bridge which is used to measure unknown resistance by balancing two legs of a bridge circuit, in which one leg consists of the unknown component. It can be seen that the wheat stone bridge works on the balancing concept. The same concept is used in Carey Foster bridge with small … [Read more...]

What is a Distance Relay : Types & Its Characteristics

December 31, 2020 By WatElectronics

Distance Relay

A distance relay is a fundamental device that trips the circuit breaker in the event of a fault. In low rating power systems circuits, the relay itself can trip the circuit, without the circuit breaker. The relay along with the circuit breaker together are used for the protection of transmission and distribution systems. Relays are classified in large based on the principle of operation. We have overcurrent relays, differential relay, frequency relay, etc. for which the operating quantity is … [Read more...]

What is Transistor Biasing and Its Types

December 24, 2020 By WatElectronics

Transistor Biasing

Transistors are developed in the year 1947 by the physicists of America named John Bardeen. Before the use of transistors, vacuum tubes used for the purpose to control electronic signals. But the complexity of designing vacuum tubes, more amount of power consumption paved the way for the inception of transistors in modern electronics. The transistors are one of the most frequently used semiconductors utilized in the applications of switching and amplification. To make the transistor function … [Read more...]

What is Enhancement MOSFET & Its Operation

December 19, 2020 By WatElectronics

Enhancement Type MOSFET

Transistors are the most popular semiconductors in the field of electronics. These are available in various types and configurations such as Bipolar-Junction Transistors (BJTs) and the Field-Effect Transistors (FETs) considered as the basic ones. These FETs are further classified as Junction field-effect transistors (JFET) and insulated gate field-effect transistors (IGFET). The transistor with input at the gate is insulated electrically from the main channel of current-carrying is referred to … [Read more...]

What is a Band Stop Filter : Design & Its Characteristics

December 14, 2020 By WatElectronics

Band Stop Filter

The band stop filter is a type of frequency selective circuit, that works exactly opposite to the bandpass filter. The name itself shows that it stops or rejects the particular range of frequencies of a signal. This filter is designed with the low pass filter and high pass filter, which are connected in parallel to allow high and low-frequency components. The band stop filter allows frequency components below the cut-off frequency and above the cut-off frequency. The cut-off frequency of the low … [Read more...]

What is a Decoupling Capacitor & Its Working

December 6, 2020 By WatElectronics

Decoupling Capacitor

An electronic system is comprised of active and passive devices.  When the supply is provided to the active ones for example transistors, vacuum tubes, and so on, there is the indulgence of change in the value of impedances due to voltage drops. If the common path is shared among the multiple devices, the individual currents will be drawn from the devices that are vast enough for producing the large changes in voltages. To overcome this situation, a bypass path must be established for the flow … [Read more...]

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