One type that is used for a variety of circuits is the PIN diode. The main application of p-n junction diode is in rectification circuits. It is used as a rectifier in DC power supply. In demodulation circuits the PN junction diode used as a detector. The Zener diode is made up of silicon material. Used as zener diodes in voltage stabilizing circuits. In forward biased condition the PN junction diode produced light when biased with a current, so it is used in all LED lighting. As High Voltage Rectifier– The large width of the intrinsic layer allows the ability to the diode to tolerate high reverse voltage without the breakdown of the diode. • It is used as switches in digital logic designs. The PN junction diode used as varactor diodes for use in voltage controlled tuning circuits as may be found in radio and TV receivers. Thus, rectification at high voltage can be implemented with PIN diode. These circuits are used to describe the conversion of a.c signals to d.c in power supplies. Diodes are used in clamping circuits for DC restoration. Cloudflare is unable to establish an SSL connection to the origin server. It allows the current to flows both in the forward as well as in the reversed direction, when the Zener voltage is reached. Application of a Junction Diode as a Rectifier The concept of Direct Current and Alternating Current is not alien to many. The diode is a unidirectional two-terminal device that only allows flowing the current in one direction and blocks the current in another direction. Although diodes with a basic PN junction are by far the most popular type of diode in use, other types of diode may be used in a number of applications. Additional troubleshooting information here. Zener Diode is a special purpose PN junction diode its construction is similar to a conventional PN junction diode. Additional troubleshooting information here. A zener diode when reverse biased can either undergo avalanche break down or zener break down. Your email address will not be published. Devices, invariably have clear instructions about using AC/DC current. This form of diode is used in a number of areas. This action of p-n junction diode enables us to use it as a rectifier. There are some important applications of PN junction diode which are given below. The PN junction diode is the basic semiconductor diode format. In computers it is used as switch in logic circuits. However, during the negative half cycle, i.e., in the interval T/2 to T, D is reverse biased a… 1. However, there are times when you might have an AC power point but need to connect a device that requires a DC. Simulation using Multisim of PN Junction Diode Characteristics. It indicates that a PN junction diode can act as a rectifying element for the conversion of AC to DC. • It is used in clipping circuits as wave shaping circuits in computers, radios, radars etc. 1. It is a special type of diode which operates in the breakdown region. A p-n junction is the basic building block of many semiconductor devices like diodes, transistor etc. The forward biased PN junction diode is used as LED. PN Junction Diode are used in many application like: PN Junction Diodes are mostly used for rectification (Alternative Current to Pulsating DC). A diode’s standard working depends on the interaction of n-type semiconductor and p-type semiconductors.. N-type Semiconductor A p-n junction diode allows electric current when it is forward biased and blocks electric current when it is reverse biased. P-N junction diode in the reverse-biased configuration is sensitive to light from a range between 400nm to 1000nm, which includes VISIBLE light. Due to above fact, PN junction diode has many applications as outlined below. Applications of PN junction diode 1. Required fields are marked *. Due to this characteristic, the diode is used in the application like; Zener diodes are available in the range from 3V to 200 Volts. It can also be used as a solar cell. Minority charge carrier concentration reduces exponentially as seen away from the junction. They become minority carriers of the other side. PN junction diode is a diode which can be used as a rectifier, logic gate, voltage stabiliser, switching device, voltage dependent capacitor and in optoelectronics as a photodiode, light-emitting diode (LED), laser diode, photo detector, or solar cell in electronics. It appears that the SSL configuration used is not compatible with Cloudflare. This could happen for a several reasons, including no shared cipher suites. The way that a diode operates can be difficult to understand as it involves fairly advanced quantum mechanics.However, at the simplest level the operation of a diode can be understood by looking at the flow of positive charges (or "holes") and the negative charges (the electrons).Technically, a semiconductor diode is referred to as a p-n junction. A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other. It is used for many forms of rectification for current levels both large and small, as well as high and low voltage levels, and this semiconductor device finds many uses in all manner of electronic circuit designs. Let us consider few notations. The term PIN diode gets its name from the fact that includes three main layers. In the positive half cycle, during the time interval 0 to T/2, diode D will be forward biased and conduct, i.e., current flows through RL from A to B. Your email address will not be published. interface or a boundary between two semiconductor material types The Zener diode is made by highly doped p-type and the n-type mate… Consider a thin p-type silicon semiconductor wafer. ; It is used as a rectifier in DC power supply. The PN junction diode used as signal diode in communication circuits. PIN diode has three layers where PN junction diode has only two layers. Save my name, email, and website in this browser for the next time I comment. Difference between series circuit and parallel circuit, Introduction of CRO (cathode ray oscilloscope), Construction and working of RVDT (Rotary variable differential transformer). Diodes are used in clipping circuits for wave shaping. Applications of Diodes Diodes are used in various applications in power electronics. This could happen for a several reasons, including no shared cipher suites. Rectification: A PN junction diode is allowed easy to flow of charge in one direction but restrains the flow in the opposite direction. A zener diode when forward biased behaves like an ordinary P-N junction diode. They are used as clamper to change the reference voltage. Application of PIN diode. Rectifier Diode. Here we will discuss the working of Zener diode as voltage regulator. For example, if N-type is considered, the excess of holes that enter into N-type after applying forward bias, adds to the already present minority carriers of N-type material. Diodes are divided into two types based on the formation of the junction between the terminals. Important applications of PN junction diode: The critical applications of PN junction diodes are: PN junction diode can be used as photodiodes. The P-N junction diode has many applications. Rather than just having a P-type and an N-type layer, it has three layers such as The types of diodes are PN Junction Diode, Zener Diode, Light Emitting Diode, Schottky Diode , Photodiodes The applications of diode are rectifier circuit, voltage regulator etc. Cloudflare Ray ID: 6103156e9a1b023f Fundamental of PN Junction Diode – Application Point of View, Use of PN Junction Diode in Rectifier, Clipper, Clamper and Multiplier Circuit. The load resistance RLis connected to these terminals through a p-n junction diode D. The potential at terminal X with respect to Y will vary as a sine function with time. PN junction diode used as … A pn junction diode is made from semiconductors like silicon or germanium where an N-type region is created with the help of negative charge carriers called n-type semiconductor while the P-type region is created with the addition of positive charge carriers called p-type semiconductors. • It is used in detector and demodulator circuits. The m… PN junction diode can be used as solar cells. If you want to make the Carrier in Electronics then this Course is for you. Until now, we have mentioned only one application for the diode-rectification, but there are many more applications that we have not yet discussed. By manipulating this non-conductive layer, p–n junctions are commonly used as diodes: circuit elements that allow a flow of electricity in one direction but not in the other (opposite) direction. Normally the voltage is taken along the x-axis and current along y-axis. In clipping and clapping circuits it is used for wave shaping. It is used as a rectifier in DC power supply. A PN-junction diode is formed when a p-type semiconductor is fused to an n-type semiconductor creating a potential barrier voltage across the diode junction The effect described in the previous tutorial is achieved without any external voltage being applied to the actual PN junction resulting in the junction being in a state of equilibrium. PN JUNCTION APPLICATION. Most of the diodes allow the flow of current in one direction but some diodes like Zener Diode allow the flow of current in both directions. It appears that the SSL configuration used is not compatible with Cloudflare. The signal from ac mains is fed into a step down transformer T which makes it available at the terminals X and Y. The PN junction diode has the following important applications are given below, PN junction diode is used as a voltage doubler, tripler, quadrupler in voltage multiplier circuits. Volt-ampere (V-I) characteristics of a pn junction or semiconductor diode is the curve between voltage across the junction and the current through the circuit. • This concentration will be more at the junction. p-n junction formation. symbol of all types of diode. • When the voltage is applied, due to the forward biased condition, the majority carriers of one side move towards the other. In demodulation circuits the PN junction diode used as a detector. Working of PN Diode Junction:. Diode rectifier gives an alternating voltage which pulsates in accordance with time. A rectifier diode is a type of P-N junction diode, whose P-N junction area is very … The PN junction diode used as varactor diodes for use in voltage controlled tuning circuits as may be found in radio and TV receivers. By manipulating this non conductive layer, p-n junctions are commonly used as diode: circuit elements that allows a flow of electricity in one direction but not in other (opposite) direction. Therefore, it can be used as a photodiode. Avalanche break down:-If both p-side and n-side of the diode are lightly doped, depletion region at the junction widens. The positive side of a diode is known as the anode and the negative side is known as the cathode.. Current can spill out of the anode end to the cathode, but it cannot pass from cathode to the anode. The circuit connection for determining the V-I characteristics of a pn junction is shown in the figure below. 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