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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...]

Junction Field Effect Transistor : Working, Characteristics & Applications

October 20, 2019 By WatElectronics Leave a Comment

Symbol of N-Channel JFET

A JFET or Junction Field Effect Transistor is a transistor that classified under the category of FET. These are known for its voltage-controlled transistors where it doesn’t depend on the current for biasing. These consist of source, gate and drain as its terminals. This transistor comes under unipolar devices. The reason for this is that the conduction is dependent on the majority of the charge carriers. These FETs has the capability of consuming lesser amounts of power. It can be manufactured … [Read more...]

What is P-Channel MOSFET : Working and Its Characteristics

October 18, 2019 By WatElectronics Leave a Comment

Symbol of P-channel Depletion Type

P-Channel MOSFET is a classification of Metal Oxide Semiconductor Device. This consists of the n-substrate in the middle with light doping concentration. These are the three terminals devices. It possesses uni-polar characteristics because its operation is dependent on the majority of the charge carriers. In this, the majority of the carriers are holes because of two p materials utilized in the circuitry. It is further classified based on the existence of the channels. If the channel exists by … [Read more...]

Basics of N-Channel MOSFET, Working and Characteristics

October 12, 2019 By WatElectronics Leave a Comment

Symbols for N-channel Depletion and Enhancement Types

N-Channel MOSFET is a type of metal oxide semiconductor field-effect transistor that is categorized under the field-effect transistors (FET).  MOSFET transistor operation is based on the capacitor. This type of transistor is also known as an insulated-gate field-effect transistor (IGFET). Sometimes it is also known as a metal-insulator field-effect transistor (MIFET). This type of transistor is further classified as p-type and n-type. These p-types and n-type MOSFET’s are further classified as … [Read more...]

Basics of FET, Working Types and Its Applications

October 7, 2019 By WatElectronics Leave a Comment

mosfet

FET stands for the Field-effect transistor. These transistors are designed to overcome the drawbacks of the bipolar junction transistors. As the basic transistors have the junction of the emitter in the mode of forwarding bias this makes the device to operate at low impedance levels. This introduces considerable amounts of noise levels. FETs possess all the characteristics which can overcome the drawbacks of bipolar junction transistors and can be a good replacement for the vacuum tubes as well … [Read more...]

What is Amplifier : Circuit Working and Its Applications

October 1, 2019 By WatElectronics

Transistor as Amplifier

An amplifier is a basic circuit that is obtained from the transistors. These devices are designed in such a way that the transistors with the low value of the input signal are converted in terms of the signals which possess high strength. These are most widely used in the concept of long-distance communication and also at the place where the wireless data transmission is used as the media. These are the basic devices installed in the transmitters and the receivers. As the transistor is common … [Read more...]

Transistor as a Switch – Circuit Diagram, Working & Applications

September 29, 2019 By WatElectronics Leave a Comment

Basically transistor is a type of semiconductor device. These devices consist of three numbers of terminals. The interaction among the two terminals will be in such a way that two junctions are formed in it. These junctions and altogether the terminals are responsible for the generation of the current either the current controlled or the respective voltage-controlled devices are designed. This article discusses below about Transistor as a Switch along with its working and applications. The … [Read more...]

Basics of PNP Transistor – Construction, Working & Circuit Diagram

September 7, 2019 By WatElectronics Leave a Comment

Symbol of P-N-P Transistor

PNP Transistor is a type of bipolar junction transistor. This transistor also consists of three terminals known as collector, emitter, and base. While discussing its structure in comparison with N-P-N it is completely different. Instead of two n-types here it is two p-type semiconductors are involved in the process, whereas the separation region between these types is due to the n-type. The majority participation of the carriers in this type of transistor is due to the holes because two … [Read more...]

What is Darlington Transistor : Working and Its Applications

September 5, 2019 By WatElectronics Leave a Comment

Symbol of Darlington Transistor Pair Configuration of Common Collector

Darlington transistor is a pair of transistors that are connected in such a way that it enhances the features of the respective application. This transistor pair is invented by Sydney Darlington.  It is formed in such a way that either two P-N-P or N-P-N transistors are connected so that the emitter of the one transistor is connected to the base of the other transistor. Both the transistors interlinked so that one can act as input other can refer to as output one. The output of the transistor … [Read more...]

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