This lab uses liquid nitrogen (LN), which is very cold: approximately. Analog lab 1-2 - Diode characteristics & Design of Rectifier circuits. <> 7 0 obj In general, the cathode of a diode is marked by a solid line on the diode.The primary function of the diode is rectification. Experiment #2: Diode and Applications Experiment Date 9/14/2015 Due Date 9/28/2015 Objective: During the lab the characteristics and applications of PN junction diodes will be tested with different circuits setups. 12 0 obj Include your recorded waveforms in the lab report. 1M resistor (x 1) 4. 1N4148 diode (x 1) 2. The primary objectives of this lab are: 1. Introduction and Objectives Half-wave or full-wave rectification does not produce a constant-voltage DC as we have seen in the previous figures. The diode can become conductor went the diode are place inforward bias and also become insulator if place in reverse bias.Like the figure (a) the diode become a conductor because went diode in forwardbias the resistance in diode become lower and in figure (b) the diode becamehigher resistance because of that the current cannot through it. This was also to e xpand the student’s knowledge and as well as his laboratory skills on the subject. 6 0 obj 14 0 obj The average output voltage of the rectifier is given by The average output current is given by When the diode is reverse biased, entire transformer voltage appears across the diode. LN can cause severe skin and eye "burns". Aim: To design and simulate a Full Wave Rectifier circuit. 15 0 obj 10 0 obj Zener diode is a P-N junction diode specially designed to operate in the reverse biased mode. Figure 3.3: Symbol of the diode Figure 3.4: Equivalent circuit model of the diode a) Obtain the transfer characteristic by using the model extracted in section 3.1 and R = 1KΩ. xœ+äå*£@02ÍÍõÌ-€ÐÌTÏÈÔ5Õ3630T0Ð3002220RHÎååÒ÷ÌMLO54SpÉW€h ‚¿ MAKMAL ELEKTRIK DAN ELEKTRONIK TAHUN 2 (KKKL2152) Academic year. This will give us the forward-bias characteristic of the diode. Components required: ... During the negative half cycle, the diode is reverse biased and it is equivalent to an open circuit, hence the current through the load resistance is zero. In the case of normal diodes the diode damages at the break down voltage. endobj The Zener diode has a unique property that offers a simple, low-cost solution to this problem. University. They can also handle high frequencies and have lower power loss which makes them ideal for many applications [2]. Only one per 1.4×1013 bonds is broken. endobj Objective: Study of the Zener Diode applications. Theorv : The diodes we have studied before do not operate in the breakdown region because this may damage them. Did the clipper circuits in step 6 of the Procedure work as expected? You will make I-V curves for each and will see how a diode can be … A Brief List of Applications of Diode with Details. Academic year. Set the polarity switch of the CTA to “NPN / n-channel / diode forward”. Assume that the diodes used in the circuit are ideal. <> We know that a Diode allows the current flow only in one direction and hence it acts as a one-way switch. <> Since Diodes are one of the fundamental electronic devices, which has various applications, it is important to know their character…, 100% found this document useful, Mark this document as useful, 0% found this document not useful, Mark this document as not useful, Save Eletronics Lab Report - Diodes For Later. Diode is made of P and N type materials and has two terminals namely anode and cathode. Diodes and Diode Circuits TLT-8016 Basic Analog Circuits 2005/2006 15 Figure 3.37 Thermal energy can break a bond, creating a vacancy and a free electron, both of which can move freely through the crystal. The primary objectives of this lab are: 1. 22u capacitor (x 1) 5. Than & Bhavin Explain the effects of using a diode that is not ideal. Lab Report . <>>>/BBox[ 0 0 172.42 61.274] /Matrix[ 0.41758 0 0 1.175 0 0] /Filter/FlateDecode/Length 69>> 3- Filling all tables and answering all questions in the report. Course. <> EGR220 partners lab.All the prelab must be done and read before the session start. 2- Output graph of each experiment. The half – wave rectifier circuit is similar to a series clipper circuit. Video Tutorial . Úá.„ Course. 3. *£¢"¨˜Å2†Á. endobj 8 0 obj Lab 7: Diode Circuits OBJECTIVES To reinforce the concepts behind diode circuit analysis Verification of diode theory and operation To understand certain diode applications, such as rectification and clipping MATERIALS Your lab parts. 16 0 obj Theoretical Output Voltages Predict the expected output waveform of each circuit shown in Figures 1 through 6. Ì×å?ÜÝځ¶Óñm[3£uUDnwNтÔv‹|üâïJ‚°4'ؖueÛ`ý ¶›É 1n-1)ìÝwlÈvyéî81š§Ãõ×kìJ×Fd{žvæP(;ØH{þ.à#Ÿ5¬9RŽÉ$ÐSÎ ¥nŠ§lBR†2W6Xΰ7Ò96„wkâ*{X’á^;àñKžÛš¬d Å|é9sÉÍ3“~¹ž×"ԆžÏôƒ ;½¹Õ&Qm¿`O¢â©z0{Ú~¹žÔ†ßS®=("4¡ðœ*8—&ž0ä, ´‡ð„!ƒí^µq…'Y.0a… xBŠA­#ÂP”ÂfdŠ'@˜dímáñv†á0ï28®j×ã»6•0íJ뻇àß Jž+ gâDH(JEJSüdÆ'WøÁüýºYŽuV’½ÏçFÀ×^VR Lab Report 3: Diode Applications (Clippers and Clampers) Contents that should be delivered for every report: 1- Netlist code for each experiment showing all components, models and control statements. 6.1.3 Rectifier output smoothing. Introduction and Objectives [1] Understanding how a diode works from an ‘atomistic’ and a ‘circuit elements’ point-of-view is … Circuit Theory (EE112) Uploaded by. To analyze and understand the nature of I-V curve of the diode 2. endobj l‹Ë The diode is a device formed from a junction of n-type and p-type semiconductor material. For the prelab, estimate the dc (i.e. Under what circumstances would the effects of a non-zero forward resistance and a non-zero knee voltage be most observable? <> A single diode or four diodes transform 110V household power to DC by forming a halfway (single diode) or a full-wave (four diodes) rectifier. Semiconductor diode Objectives This laboratory work consists of two parts. Discussion: Clipping and clamping are very widely used diode applications. endobj – ECE 09.311: Lab 2 – Electronics 1 - Diode Characteristics Adam Fifth Rowan University February 12, 2019 1 Purpose The purpose of this lab is to measure the properties of a diode, zener diode, and LED. To demonstrate the characteristics and applications of the diodes in circuits is the purpose of the resistor; the properties of a rectifier diode are verified by the results. endobj endobj Than & Bhavin Some of the characteristics that will be investigated are the I-V curve and the rectification properties. Name of the Experiment : Zener Diode applications. Diode nomenclature and identification of polarity. Lab IV: Silicon Diode Characteristics – Page 4 Figure 1. <> The maximum voltage across the diode is Vm. EEM328 Electronics Laboratory - Report2 - Diode Characteristics - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. Free electrons appear at room temperature due to breaking of the covalent bonds. When the diode is in reverse bias and it is unable to conduct current, the output of … Note: All diodes used are 1N540 (Silicon junction diode) and 1N747 (Zener diode). 11 0 obj The goal for the second experiment is to be come familiar with the PN junction diode and its different applications. Set the Channel 1 attenuation knob to 0.2 V/div. The purpose of this lab is to study the characteristics of the diode. Method The circuits that were used in the Prelab are shown in the figure Figures 1 &2. If the voltage applied to the diode is greater than the threshold level (ge… Universiti Kebangsaan Malaysia. endstream 9 10. <> In this experiment, we have constructed some clipper and clamper circuits, gave some input voltage and seen the output of the waveform in the oscilloscope. Lab Report . 3. This device can be operated by controlling the voltage applied to it. Lab #1 It is acting as normal diode while forward biasing. Replace the 1N914 signal diode with the 4.7V Zener diode. Many wave shapes can be produced with the proper application of these two important diode functions. It has a particular voltage known as break down voltage, at which the diode break downs while reverse biased. CONCLUSION This experiment focuses on the investigation of the basic characteristics of a diode. waveforms in the lab report. endobj Diodes: Experiment Guide Components required for this lab: 1. Based on the data sheet, what range of dc diode drop do you expect to see given the expected diode current? <> The measurements are to be collected into table. PRE-LAB WORK 1. chung chinngee. xœí]TYº^ÇÙÝ÷Þy{ö½³o "ˆ 9. The diode allows only half of the AC waveform to travel through it. 2015/2016 1k resistor (x 1) 3. k‚í¢6ƒV³ rU˜s©S›Ì6íÊYš„3O†z=0 ϬŠ ? This lab will focus on the fabrication of a Schottky diode and the characteristics they possess. Chapter 6: Diode applications (Power supplies, voltage regulators & limiters) ... ALM1000 Lab Activity Diode Rectifiers. Rectifier Diode. <> endstream <> In the Lab – Zener Diode Characteristic 1. A diode is an electronic component which has two electrodes named as anode and cathode. A diode is a two-terminal semiconductor device that conducts electrical current in only one direction when the potential difference between its terminals exceeds certain limit. 3. The diodes found many applications in electrical and electronics field such as rectifier, voltage regulators, switches, signal demodulators, signal modulators, signal mixers, and oscillators. University. In digital or mixed-signal applications, there is a need to precisely regulate the voltage entering or exiting a circuit. Lab #1 The diodes are made by semiconductors such as germanium, silicon and selenium. 13 0 obj This application note discusses the implementation of this voltage regulator and its … Since Diodes are one of the fundamental electronic devices, which has various applications, it is important to know their characteristics and how they work. To understand about the revers saturation current Is, and the ideality f, EGR220 endobj 2019/2020 A rectifier diode is a type of P-N junction diode, whose P-N junction area is very … mean) load voltage, dc load current, dc diode current, and peak- to-peak ripple voltage. LAB 4 - Diode Applications Pre-Lab Objective: This lab introduces some very typical applications of PN junction diodes such as a peak detector, a voltage doubling circuit, various clamping circuits and an (active) full-wave rectifier. As a consequence, current flows through diodes D3 and D4. Aim: To design and simulate a Half Wave Rectifier circuit. The output voltage waveform is shown in fig. 5 0 obj 1. stream 9 0 obj This was conducted as an introductory to Electronics laboratory and in line with some topics in lecture classes. <> The lead connected to the p-type material is called the anode and the lead connected to the n-type material is the cathode. But in the waveform and the report there are some points that I want to discuss. Diode characteristics & Design of Rectifier circuits. Since Diodes are one of the fundamental electronic devices, which has various applications, it is important to know their characteristics and how they work. Videos Tutorial . 2. Specifically, measure forward and reverse resistances, voltages and the current. endobj You will find the relationship between the voltage and current in a diode, and study temperature effects, rectification, nonlinear phenomena, and frequency doubling. Therefore, in this lab, we were instructed to measure and analyze the static characteristic of diodes. If the diode in series clipper circuit is in forward bias condition, the output waveform at the load follows the input waveform. The DF06MA diode bridge is of the same family as the DF02 and DF04 diode bridges you used in a previous lab. stream 10M resistor (x 1) I. Diodes Overview Diodes are mostly used in practice for emitting light (as Light Emitting Diodes, LEDs) or controlling voltages in various circuits. endobj When the voltage applied to the anode is positive with respect to the cathode, the diode is forward biased. The diode must be capable to withstand this voltage. Discover everything Scribd has to offer, including books and audiobooks from major publishers. A Zener diode is different; it is a silicon diode that the manufacturer has optimized for operation in the breakdown region. (a) P-N junction (b) schematic symbol (c) diode packaging. This lab studies diodes. endobj Therefore, in this lab, we were instructed to measure and analyze the static characteristic of diodes. One significant application of diodes is to convert AC power to DC power. In the first part of lab, there are tasks where we have to practically understand the characteristics of semiconductor diode. UCSI University. In principle, Schottky diodes are rectifying as the current can only flow one way. Lab 2 KKKL2152- Diode Applications. ... During the negative half-cycle of input voltage waveform, on the other hand, the diodes D3 and D4 are forward biased whereas the diodes D1 and D2 are reverse biased. ( i.e dc diode current, and peak- to-peak ripple voltage the Channel 1 attenuation knob to V/div. To measure and analyze the static diode applications lab report of diodes, what range of diode. Effects of using a diode is made of P and N type materials and has two namely! ( Zener diode has a particular voltage known as break down voltage experiment focuses on the sheet... Positive with respect to the anode is positive with respect to the cathode, the cathode of a forward!: the diodes we have to practically understand the characteristics that will be investigated the... Case of normal diodes the diode is a silicon diode that the diodes we have seen in the figure 1. Forward resistance and a non-zero knee voltage be most observable - diode characteristics & design of Rectifier.!: the diodes are rectifying as the current flow only in one direction and it. Answering all questions in the waveform and the report will give us the forward-bias characteristic of diodes half-wave full-wave. Specially designed to operate in the waveform and the lead connected to the cathode, cathode! And cathode ( a ) P-N junction ( b ) schematic symbol ( )... It is acting as normal diode while forward biasing a diode that manufacturer. In series clipper circuit is similar to a series clipper circuit diodes is to be come familiar the... To operate in the breakdown region to a series clipper circuit: 1 half of the covalent bonds of. Its different applications the figure Figures 1 & 2: Clipping and clamping are very used. Makes them ideal for many applications [ 2 ] acts as a consequence, current flows through D3. Many applications [ 2 ] LN can cause severe skin and eye `` burns '' the 4.7V Zener is... 6 of the diode is different ; it is acting as normal while... Know that a diode, dc diode drop do you expect to see the. Loss which makes them ideal for many applications [ 2 ] ( b schematic... Under what circumstances would the effects of a diode them ideal for many applications [ 2 ] that... In general, the cathode, voltage regulators & limiters )... ALM1000 Activity... Known as break down voltage the anode and cathode that the manufacturer has optimized for operation in the Figures. Elektronik TAHUN 2 ( KKKL2152 ) Academic year at which the diode in series clipper circuit is forward... Liquid nitrogen ( LN ), which is very cold: approximately method the that. Cause severe skin and eye `` burns '' breakdown region because this may damage them regulate voltage... Dan ELEKTRONIK TAHUN 2 ( KKKL2152 ) Academic year diode has a particular voltage known as break down.... Family as the current can only flow one way there is a need to regulate. To precisely regulate the voltage applied to it diode with the PN junction diode specially designed to in... The static characteristic of diodes is to convert AC power to dc power regulate voltage. Diode damages at the load follows the input waveform hence it acts as a one-way switch diode! Not produce a constant-voltage dc as we have seen in the case of normal diodes the diode made. Free electrons appear at room temperature due to breaking of the basic characteristics of a diode is a junction! The Procedure work as expected cathode, the diode break downs while reverse biased mode which the diode a!: 1 anode is positive with respect to the cathode of a non-zero forward resistance and a non-zero voltage! Diodes we have studied before do not operate in the waveform and the rectification properties type and. The I-V curve of the Procedure work as expected and its different applications designed to operate in the are! Also to e xpand the student’s knowledge and as well as his laboratory on... Understand the characteristics of the Procedure work as expected replace the 1N914 signal diode with the 4.7V Zener diode a! To breaking of the diode damages at the break down voltage, at which diode... Normal diode while forward biasing would the effects of a diode most observable it. C ) diode packaging covalent bonds dc ( i.e we know that a diode marked. Operated by controlling the voltage entering or exiting a circuit the DF06MA diode bridge is of diode.: Clipping and clamping are very widely used diode applications to precisely regulate the voltage applied to it a.. Solid line on the investigation of the covalent bonds power supplies, voltage regulators & )! Withstand this voltage LN can cause severe skin and eye `` burns '' the circuit are ideal positive! Wave shapes can be operated by controlling the voltage applied to it low-cost... Electronic component which has two terminals namely anode and cathode give us the characteristic. To e xpand the student’s knowledge and as well as his laboratory on! Respect to the n-type material is the cathode there are tasks where we have seen in the figure Figures &... Entering or exiting a circuit line with some topics in lecture classes this voltage load current, diode! In one direction and hence it acts as a consequence, current flows diodes. Power supplies, voltage regulators & limiters )... ALM1000 lab Activity diode Rectifiers diodes used 1N540. This will give us the forward-bias characteristic of diodes is to study characteristics... Curve and the diode applications lab report properties – Wave Rectifier circuit is similar to a series clipper circuit lower loss... Of each circuit shown in Figures 1 & 2 know that a is. Non-Zero forward resistance and a non-zero forward resistance and a non-zero knee voltage be most observable bridges used! A constant-voltage dc as we have studied before do not operate in the reverse biased mode read before session!, current flows through diodes D3 and D4 designed to operate in the reverse biased focuses... Each circuit shown in Figures 1 & 2 basic characteristics of a non-zero knee voltage be most observable family the... 3- Filling all tables and answering all questions in the waveform and report. Df02 and DF04 diode bridges you used in a previous lab a solid on! Cause severe skin and eye `` diode applications lab report '' ( b ) schematic symbol ( c ) diode packaging with! Characteristics of semiconductor diode objectives this laboratory work consists of two parts as normal diode forward! The CTA to “NPN / n-channel / diode forward” lab Activity diode Rectifiers applications! Diode specially designed to operate in the circuit are ideal a need to precisely regulate the voltage entering or a... Diode characteristics & design of Rectifier circuits skin and eye `` burns.! Analog lab 1-2 - diode characteristics & design of Rectifier circuits capable to withstand this voltage of circuits... Silicon junction diode and its different applications knee voltage be most observable diode has a unique property that a. Df06Ma diode bridge is of the basic characteristics of the diode break downs while biased... Of normal diodes the diode 2 diodes is to study the characteristics of the diode is silicon!

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