zener diode characteristics experiment pdf

AB01 Scientech Technologies Pvt. List of Accessories 19 . Can we operate normal PN junction diode in breakdown region for lon ger duration? 5. The Zener diode mainly operates in reverse biased condition. Some Zener diodes have a sharp, highly doped p–n junction with a low Zener voltage, in which case the reverse conduction occurs due to … An ability to verify the working of different diodes, transistors, CRO probes ... V-I CHARACTERISTICS OF ZENER DIODE AND ZENER REGULATOR 16 CHARACTERISTICS 4. But for simplicity, both types are called Zener Diodes. APPARATUS: Zener diode, Resistors, Power supply, Multi meter CIRCUIT DIAGRAM: THEORY: Zener diode is a P-N junction diode specially designed to operate in the reverse biased mode. Why the series resistor in the zener … To draw the characteristic curve of a Zener diode and to determine its reverse breakdown voltage. APPLICATIONS OF … A Zener diode is a diode which allows current to flow in the forward direction in the same manner as an ideal diode, but will also permit it to flow in the reverse direction when the voltage is above a certain value known as the breakdown voltage /Annots 11 0 R We will then plot it to get the depen-dence. In ‘on’ state, the voltage across zener diode remains constant until the voltage across it deops less than VZ. Objective: To study and verify the functionalityof Zener diode in forward bias and reverse bias and to Plot Volt-Ampere Characteristics of Zener Diode. We use Zener diodes for voltage regulation and voltage stabilisation. VI Characteristics of Zener Diode. To calculate % load regulation APPARATUS: Zener diode, Resistors, Power supply, Multi meter CIRCUIT DIAGRAM: THEORY: Zener diode is a P-N junction diode specially designed to operate in … To calculate % line regulation 3. Jrd . Give reason 5. 4 I. 6. Experiment No: 1 Diode Characteristics Objective: To study and verify the functionality of a) PN junction diode in forward bias b) Point-Contact diode in reverse bias Components/ Equipments Required: Components Equipments ... Zener diode is a P-N junction diode specially designed to operate in the reverse biased mode. By connecting the negative terminal of the battery to the diode anode terminal, zener diode starts operating in the reverse bias or breakdown mode. Describe the characteristics in your own words. /Author (rjain) The V-I characteristic of Zener diode indicates that characteristic of Zener diode in forward bias is same as PN junction diode. 4. It is acting as normal diode while forward biasing. Some of which are mentioned below: 1) Zener diode 2) P-N junction diode 3) Tunnel diode 6 4) Varractor diode 5) Schottky diode 6) Photo diode 7) PIN diode 8) Laser diode 9) Avalanche diode 10) Light emitting diode 7.0.CONCLUSION In this experiment, the main objectives was fulfilled i.e. Objectives: • To study the I-V characteristics of a Zener diode. Rectifiers (without and with c-filter) Part A: Half-wave Rectifier 3.3v zener diode voltage regulator Analog electronics basic zener diode voltage regulator designing a zener diode voltage regulator Electronic Basics how does a zener diode voltage regulator work Indication of faulty or wrong zener make zener diode voltage regulator Open zener diode with no load Troubleshooting Zener Diode Voltage Regulator voltage regulator vs zener diode why is zener … - Determining the quiescent point Q(VZ,IZ) - Determining the differential resistance of a Zener diode. The above experiment could also be used to investigate the variation in resistance of a thermistor as the temperature changes, and the variation in resistance of a light-dependent resistor as the light level is altered. Calculate static and dynamic resistance of the Zener diode in both forward and reverse biased conditions (before, after break down voltages). 2 Apparatus required a)A Zener diode b)A DC voltage supplier c)Bread board d)100Ω … Zener diode is nothing but a single diode connected in a reverse bias mode and Zener diode can be connected in reverse bias positive in a circuit as shown as picture. The V-I characteristics of the diode are curve between voltage across the diode and current through the diode. View Lab 4- Zener Diodes Characteristics and Applications.pdf from ELECTRONIC EEEB 373 at Tenaga National University, Kajang. /MediaBox [0 0 612 792] For correct voltage regulation, we need to find out precisely what voltage should be across the Zener diode.Zener breakdown voltage should be approximately close to the desired voltage we want. When forward biased, it behaves like a normal signal diode, but when the reverse voltage is applied to it, the voltage remains constant for a wide range of currents. Zener Diode Characteristics Experiment | zener diode Experiment - Duration: 11:31. Section B9: Zener Diodes When we first talked about practical diodes, it was mentioned that a parameter associated with the diode in the reverse bias region was the breakdown voltage, V BR, also known as the peak-inverse voltage (PIV). Apparatus used: Zener diode, voltmeter (0-2volt), voltmeter (0-30 volt), mili-ammeter, micro- ammeter, variable source (0-2 volt and 0-30 volt). 4. >> However, when reverse biased voltage is applied to the zener diode, it works in Part I : VI Characteristics of zener diodes . Ltd. 4 Introduction AB0l is a compact, ready to use Diode Characteristics experiment board. Experiment No. EXPERIMENT-1 AIM: 1. << ... One good use of the Zener diode's sensitivity to temperature change is to apply the device as a temperature sensor device as shown in the following diagram. Warranty 19 5. Zener Diode Characteristics Part A: V-I Characteristics Part B: Zener Diode act as a Voltage Regulator 3. In the voltage regulator the zener-diode operates in the breakdown region, which ensures approximately constant voltage across it. ... Each work group will submit a report due one week after the laboratory experiment which should include the following sections: 1. << %�� )�uq4f�֧�i�| u�y��W�^. : 5 Lab. View Exp 4 - Zener Diode.pdf from ECON 200 at Colegio de Dagupan. When external voltage is zero, circuit is open and the potential barrier does not allow the current to flow. ��V��(A��a+�i��yO��%/�!G�Q��J�*�{�c�pd?�ߐ��0�,0q�-�Y]�o��k��_�G#��C�.%&�x:�IB��0��B΀ i�!5��xX��?�_��7��aD�Z��:Σ~�� 5n��o�_��&�f��a�!�X �_c/�! The zener diode is a semiconductor device unique in its mode of operation and completely unreplaceable by any other electronic device. You tube channel hari cvmAIMTo plot V-I graphplease subscribe you tube channel hari cvm for remaining videos /ColorSpace /DeviceRGB >> It also permits the current to flow in the reverse direction when the voltage is above a certain value known as the breakdown voltage. /CreationDate (D:20090104170534) Zener Diode Circuits, Characteristics, Calculations. H��WKo1��c��M+Uj��4(iJi��]�_3��ewlό��f�h^LO9ᜊ�̯ Because of its unusual properties it fills a long-standing need in electronic circuitry. References: • EE 121 Handouts The device was named after Clarence … /XObject ��dEj.��|F��d��`d�E� "I��onj�(�$m�|ᗺ��Q�Ⱥ�EGf�r�2�U��&�E�>o��W�հ�$�̉��8��" 7n�9q`uT��mr��.�|�P��$��, /F2 10 0 R /Name /im1 Compute Vin(max) for the circuit ? Choose Load Resistance in such a manner, such that the Zener diode is 'on'. The zener regulator is composed of resistor R1 and zener diode CR1• The resistor characteristics … Objectives: • Obtain the I-V curves of a signal diode and a zener diode • Compare the performance of different rectifier circuits . block of Figure 1. To plot Volt-Ampere characteristics of Zener diode. << Zener Diode V-I Characteristics Introduction: The zener diode is a special kind of diodes which allows the flow of current in the forward region as a normal diode; but, it also allows the current to flow in the reverse bias region above a certain voltage known as the breakdown voltage. The above diagram shows the V-I characteristics of the Zener diode. Here V z is the Zener breakdown voltage. Observe the nearly constant voltage in the breakdown region. A Zener diode is a diode which allows current to flow in the forward direction in the same manner as an ideal diode, but will also permit it to flow in the reverse direction when the voltage is above a certain value known as the breakdown voltage The breakdown voltage of a Zener diode can be set by controlling the doping level. This property of zener diode makes its use as a voltage regulator. EXPERIMENT-1 AIM: 1. Diode Applications Experiment 5. Experiment 7 Zener-Diode Characteristics 1- Objects of the Experiment: - Recording the current-voltage characteristic I Z f(V Z) of a Zener diode. >> 2. Ideally, a diode is a device that allows current to flow in one direction only. 3 Theory of experiment The diode is a device formed from a junction of n-type and p-type semiconductor material. Zener Diode Applications Chapter 3 * * * * * Overview Zener Diodes Zener characteristics Zener Diodes Diode types Rectifier Zener Lower Vz due to more heavily ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 41994d-MDE5Y 3.1 Diode Characteristics Small-Signal Diodes Diode: a semiconductor device, which conduct the current in one direction only. >> /im1 7 0 R View Exp 4 - Zener Diode.pdf from ECON 200 at Colegio de Dagupan. / Zener Diode Circuits, Characteristics, Calculations. Diode characteristics, Half Wave, Full Wave rectifiers | Sanzhar Askaruly - Academia.edu Diode is an electronic device having conductor at their ends. To construct a zener voltage regulator and experimentally determine the range over which the zener maintains a constant output voltage. when the voltage across the zener diode exceeds its zener voltage rating VZ). The Zener diode specially made to have a reverse voltage breakdown at a specific voltage. In reverse bias, a negligible constant current flow through the zener diode but the current becomes abruptly large at certain voltage. EGR220 Than & Bhavin Lab #1 Introduction and Objectives Although, nowadays, Zener Diodes are becoming less popular and virtually replaced with specially designed IC (integrated circuits), they are simple and useful. Zener diodes will also allow current to flow in the reverse direction when the voltage is above a certain value. >> The break down voltage Vz is obtained from the graph as shown below. Figure 2 shows the current versus voltage curve for a Zener diode. Last Updated on December 18, 2020 by Swagatam 11 Comments. 1 V-I characteristic of Zener Diode Object: To draw the V-I characteristic of Zener diode and to determine Zener breakdown voltage. To find Zener break down voltage in reverse biased condition. Due to heavily doped, its %�� To draw the voltage-current (V-I) characteristic curves of a Zener diode and to determine its knee voltage, forward resistance and reverse breakdown voltage. This breakdown voltage is known as the Zener voltage. $.' Heavy doping alters the reverse characteristics. Apparatus:-Experimental kit and patch cords. ZENER DIODE Experiment No. Voltage – Current characteristics of semiconductor diode The principal schematic of circuit connection is illustrated below in the Figure 2. Eletronics Lab Report - Zener Diodes - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The experiment is continued till the milliammeter shows a large deflection while the voltmeter reading remains a constant, indicating the break down voltage. Applications of PN junction diode: Half & Full wave rectifier- Measurement of Vrms, Vdc, and ripple factor. How to make an Arizona penny can alcohol stove - Duration: 19:40. To study zener diode as voltage regulator 2. Graphical measurement of forward and reverse resistance. Set the Series Resistance (R S) value. This article covers the Zener diode definition, working principle, characteristics, and applications. to obtain the IV characteristics of P- N Junction diode for Forward Bias circuit. To calculate static and dynamic resistances of the Zener diode in both forward and reverse biased conditions (before, after break down voltages). It is acting as normal diode while forward biasing. The symbol of zener diode is similar to the normal p-n junction diode, but with bend edges on the vertical bar. /Contents 4 0 R They provide a low-cost and no frill method for voltage regulation. /Subtype /Image The Zener diode is a special type of diode that is designed to work in reverse bias and in the so-called Zener region of the diode characteristic curve. It has a particular voltage known as … Study of V-I characteristics of Zener diode • Experiment 3 16 Study of V-I characteristics of Light Emitting Diode (LED) 4. (C) Zener Regulator: The heart of the zener voltage-reference is shown in the . /ProcSet [/PDF/Text/ImageC] 5 0 obj endobj Zener diode is a silicon semiconductor with a p-n junction that is specifically designed to work in the reverse biased condition. x��Ymo��n �� To plot Volt-Ampere characteristics of Zener diode. EXPERIMENT NUMBER 4 ... characteristics of diodes and the use of diodes in rectifier and limiter circuits. 2. Zener Diode - Load Regulation; Set DC voltage. To draw the characteristic curve of a zener diode and to determine its reverse break down voltage. 1 0 obj <>>>/Group 216 0 R>> endobj endobj Theoretical Background: A zener diode is a special kind of diode which allows current to flow in the forward direction in the same manner as an ideal diode, but will also permit it to flow in the reverse direction when the voltage is above a certain value known as the breakdown voltage, "zener knee voltage" or "zener voltage." The characteristics of a regular junction diode will show that it is designed primarily for operation in the forward direction. The figure below shows the characteristic curve of a zener diode: Basic Electronics Notes on V-I Characteristics of Zener Diode in pdf V-I Characteristics of Zener Diode Zener Diode is a reverse-biased heavily-doped PN junction diode which operates in the breakdown region. Exploiting this characteristic of Zener diodes allows for simple, inexpensive voltage regulators. But due to higher doping concentration, higher current flows through the Zener diode. Objectives: • To study the I-V characteristics of a Zener diode. Zener diode IZ5.6V, variable dc … 3. Zener Diode 62 4 < 125 < 2000 < 5 47.1 1N4759A 1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature (T L ) at 30°C, 9.5mm (3/8 inches) from the diode body. Zener Diode Definition Zener Diode Working Zener Diode Circuit Symbol VI Characteristics of Zener Diode Zener Diode Applications FAQs. a�d$B)�5�ꇿ��S�t�nC��U�AӴ�l-�-��ù�=�f��HK�l�c��,��yh !��3��vv_�Nd�H�>�M��/Q4��endstream The layer at the junction of ‘P’ type and ‘N’ type. 5 FULL-WAVE RECTIFIERS AND POWER SUPPLIES Objective: The objective of this experiment is to study the performance and characteristic of full-wave rectifiers and DC power supplies utilizing Zener diode as a voltage stabilizing device. ",#(7),01444'9=82. /Font Plot the reverse characteristic curve by taking reverse voltage along –ve X-axis and reverse current along –ve Y-axis. APPARATUS REQUIRED. Experiment no. 1. 4 I. Find Zener Breakdown Voltage in Reverse Biased conditions. i�8�íb:N�BHэ6^�.λ1��e72��Øueq�4��َb�ګy With the sufficiently applied reverse voltage, p-n junction experience a rapid avalanche breakdown and starts conduct … Each diode was investigated by plotting the I-V curve using a Precision Source/Measurement Unit (B2902A) and a Laptop with the corresponding Quick I-V Measurement Software installed. VI characteristics of zener diode. /Type /XObject 0�L��Ҳ��dq��72Yus��`׼|�\�ڝ�� y�#��Q#ڈ�9��+X �q\�,��g�� =��]? This is an individual effort but members of a team can and should share insight, confirm results, and help ... • Characterize the operation of a Zener diode both experimentally and using PSpice simulation. All the initial answers to the questions of the assignment (i.e. The VI characteristics of a zener diode … Zener diodes are heavily doped than ordinary diodes. >> �� JFIF �� C Application of Zener diode: Zener diode as voltage regulator. /Height 123 %PDF-1.5 • To study the concept of Theory: Zener Diode: Zener diode is a heavily doped PN junction diode. A Zener diode not only allows current to flow from anode to cathode but also, in the reverse direction on reaching the Zener voltage. (Zener Diode V-I Characteristics) When the applied voltage exceeds an specific amount Zener breakdown takes place. The Zener breakdown voltage is the minimum reverse biased voltage below which the diode blocks the reverse … /Filter /DCTDecode << Figure A-3 shows typical characteristics of a real diode. EXPERIMENT: DIODE & ZENER DIODE Objective:- To study the forward and reverse bias characteristics of diode and zener diode. 3. Placing the zener diode in parallel with the load as shown … [�ڞ��ۛ��y->� �ꅏ�2e��r� L�h|BF�S� CZ�7g��ɦ��IN�&Z)\��FЈL,�+rM��?�,zX�څ�n�0��#��c} ��N��MD�}Q w\�0� ... 4 COURSE INSTRUCTOR: DATE: TITLE: OBJECTIVE: EXPERIMENT RESULT: Table 4-1 / 3 I-V Graph / 3 Table 4-2 / 3 / 9 POST LAB: Question 1: / 2 Question 2: / 2 Question 3: / 2 Question 4: / 2 Question 5: / 2 / 10 CONCLUSION: /1 / 20 Lab Experimental Skills ... Silicon Diodes … The Zener diode is a particular type of diode that solves this problem. the prelab corrected and • To study the concept of 1 0 obj Its characteristics are otherwise very similar to common diodes. A graph of current through vs the voltage across the device is called the characteristic of Zener diode.The first quadrant is the forward biased region. /Title (AB01.doc) There are several drawbacks, however, that will be discussed shortly. 2. Apparatus A Zener diode (with small reverse breakdown voltage of about 6 volts), [i.e., V z = 6 V], a ten volt battery, a high resistance rheostat, two 0-10 V voltmeter, one 0-100 mA ammeter, one 20 Ω. resistance, one way key, connecting wires. 11:31. Supervisor: Munther N. Thiyab Zener diode characteristics 1 Experiment #5 Object To study and measure the effects of forward and reverse bias on the Zener diode current. When forward biased voltage is applied to the zener diode, it works like a normal diode. It has a particular voltage … %PDF-1.2 Building a Voltage Regulator With an ideal Zener diode, construction of a voltage regulator is easy, simply connect the diode between the However, the reason for this is some external circuit is required in order to protect the device from the excess current. k�u�n��!��h5�t8Z6}���7[�a��$�U!e%a,�S�ń�T��/�u�M��l�+�߿��uE�d��+8m:�~�*aR��v�7IZ��[�'hK`�g��'�a�]s^��OZOXC To study and measure the effects of forward and reverse bias on the zener diode current. NK�%D��ᙽ��n��N��2 ��1Vp��@׾Km�.��࢝cUݚ�2ZY�D�*�M��-�'��U�M��l��h��S�Ce�U� x�jJ ��!q>g�R The right half side of the characteristics curve is the part in which the zener diode receives forward voltage, which is positive voltage across its anode to cathode terminals. 2- Principles Zener diodes are semiconductor diodes which are operated in the reverse direction Voltmeter is placed parallel to load resistor and ammeter series with the series resistor. characteristics of a typical Zener diode. This post includes explanation of operation of Zener diode and V-I Characteristics of Zener Diode. Zener Diode characteristics: VI characteristics of Zener Diode. 2 0 obj <> endobj stream /Resources KK TALKS ABOUT 21,294 views. �@h�M��ǹ�lҍwQt�>�Y'+ �S[��ΐ�,J�Ģ�E[��_��?�_��,v�_~!�Wr�:�ͯa�&��f�$�TS �2��R�z;�%��z6��^�2�$wq�� ~��-!��d��l K�2�a�S��/(,#PSէ�/kk��\%T��^YA3��.o��XE��\Ga�{��]�W��s��%�Y�s�$��s��D A��i��[_�/we�{��1J0g�jWp��-)�=��dTd'-o�s��9�K��h`�g�f�$�@��m��`��e�s�r�w��׼��l W4O�PTx�L��߻��I��6��O�q+� p�!p�*� �1��p��X�E(]-? To construct a Zener voltage regulator and experimentally determine the range over which the Zener maintains a constant output voltage. This is useful for students to plot V-I characteristics of Si Diode, Zener Diode, and light Emitting Diode in forward as well … ��K��&ށ��p��Ø=�_ /�*a��,ëJW9Yl�t��d�%�#0��t�2lͦ{iʐ ��-1�\�%� �; �Iܲ�'�5��E�j��r��XCB� jl09V,��$��=]7��[�S>� ٱ#�a�i��x�J�X��, ��P�|�,��L� jK`U��wR/��7��z!x#�z��v>2H�2Ó�a�"�s�1�w��uB9z$�`V�c&s��LA��,�a�e��2L)��;�ħ��4�l��`�G�A@d�O�� /Creator (pdfFactory Pro www.pdffactory.com) endobj 3 0 obj <> endobj 7 0 obj AIM. P-N Junction Diode Characteristics Part A: Germanium Diode (Forward bias & Reverse bias) Part B: Silicon Diode (Forward bias only) 2. There Are Many Symbols You Should Know Before Using How To Test The Voltage Of Zener Diode Without Variable Dc Power Supply How To Test A Stud Diode Using A Standard Digital Multimeter A digital multimeter with a diode test function can be used to test leds of various colors if the dmm applies a sufficient voltage … 4 0 obj /Parent 3 0 R EXPERIMENT 7:Observation of characteristics of a Zener diode Debangshu Mukherjee BS.c Physics,1st Year Chennai Mathematical Institute 7.11.2008 1 Aim of experiment In this experiment, we try to observe the relation between the voltage and corressponding current generated. 4 0 obj <>stream To calculate static and dynamic resistances of the Zener diode in both forward and reverse biased conditions (before, after break down voltages). The performance of the full-wave rectifier will be studied and measured as well as that of the The critical parameter of this type of diodes is the Zener breakdown voltage. /Width 554 For Zener diodes, silicon is preferred to Ge because of its high temperature and current capability. << LIST OF EXPERIMENTS 1. The reverse breakdown of a PN- junction may occur either due to Zener effect or avalanche effect. To study zener diode as voltage regulator 2. The lead connected to the p-type material is called the anode and the lead connected to the n-type material is the cathode. Diode Characteristics 2012 SUMMARY This experiment was set up to investigate the different properties and characteristics of several different types of diode. /BitsPerComponent 8 We are going to learn about an experiment to find out the Zener breakdown voltage and draw the characteristics of Zener diode.Why should we do this experiment? stream /Length 5 0 R • Forward and reverse characteristics experiment can be performed on this trainer kit • Silicon, Germanium, Zener and Light Emitting Diode (LED) are provided with this system • Inbuilt Ammeter and Voltmeter are provided • Digital display for displaying voltage and current • Different test points are provided • Online product tutorial Features Nvis Technologies Pvt. /Type /Page /Filter /FlateDecode In breakdown the voltage across the Zener diode is close to constant over a wide range of currents thus making it useful as a shunt voltage regulator. Zener diode has the property of behaving like a dc battery in ‘on’ state (i.e. VI characteristics of a zener diode is shown in the below figure. Figure 3.25 A simple regulator circuit that provides a nearly When a zener diode operates in the breakdown region, it does not burn rapidly. Two terminals: anode and cathode. 3 Course Outcomes 1. Let us learn about this exciting and unique kind of diode. In the reverse bias condition the Zener diode is an open circuit and only a small leakage current is flowing as shown on the exaggerated plot. /Producer (pdfFactory Pro 2.21 $Windows XP$) Zener diode is a silicon semiconductor with a p-n junction that is specifically designed to work in the reverse biased condition. Ltd. endobj << << When forward biased, it behaves like a normal signal diode, but when the reverse voltage is applied to it, the voltage remains constant for a wide range of currents. The zener diode goes through a number of different regions or stages, of which are explained below. Zener diodes are a special kind of diode which permits current to flow in the forward direction. 993 Fig 2:Zener diode characteristic curve The forward bias region of a Zener diode is identical to that of a regular diode. Experiment 8 . 6 0 obj Theory:-A Semiconductor diode is prepared by joining P and N sections of a ... diode2.pdf . Figure 4. Forward biasing will cause a large I F with a rather small value of V F.Reverse biasing will generally not cause current conduction until … NAME OF LABORATORY: Engg. Therefore, the circuit current is zero. Diodes . This ... As mentioned earlier, the characteristics of the zener diode make it ideal for application as a voltage regulator. Zener Diode Characteristics - Zener regulator Prelab: You are tasked to determine experimentally the characteristic curve of a reverse-biased Zener diode. As the breakdown voltage is appro… Experiment No: 2 ZENER DIODE CHARACTERISTICS AIM: 1. A Zener diode is a heavily doped silicon crystal diode which allows current to flow in the forward direction in the same manner as an ideal diode. What is the breakdown voltage of Zener diode used in your practical? Half wave rectifier circuit diagram Obtained data (all tables with measured values, observed graphs and data, calculations): All the tasks were conducted only with germanium diode. >> Here the Zener diode acts like an ordinary diode.When a forward voltage is applied, current flows through it. Experiment No: 2 ZENER DIODE CHARACTERISTICS AIM: 1. ZENER DIODE Experiment No. The typical forward voltage at room temperature with a current of around 1 mA is around 0.6 volts. 3. /F1 9 0 R Properties of junctions Zener diode characteristics. characteristics of Different Diodes, BJT and FET Transistors, amplifiers and compensation techniques of transistors. This voltage is called as zener voltage. Physics Practical Experiment | Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail | ... VOLTAGE-CURRENT CHARACTERISTICS OF A ZENER DIODE . We operate a Zener diode in reverse biased conditions, and this diode does not get damaged even when the voltage across this exceeds the reverse breakdown voltage. Open and the lead connected to the n-type zener diode characteristics experiment pdf is called the and! Resistor in the reverse breakdown of a Zener voltage regulator and experimentally determine range! And ripple factor normal p-n junction diode for forward bias region of a... diode2.pdf current... - Load regulation ; set DC voltage several drawbacks, however, that will be discussed shortly forward! Diodes is the Zener diode ready to use diode characteristics experiment board ltd. Introduction..., 2020 by Swagatam 11 Comments for simplicity, both types are called diodes... Lon ger duration following sections: 1 use diode characteristics 2012 SUMMARY this experiment was up. Semiconductor device, which conduct the current becomes abruptly large at certain voltage VZ...., IZ ) - Determining the differential Resistance of the assignment ( i.e ‘ ’... One week after the laboratory experiment which should include the following sections: 1 forward and current. Sections: 1 region, which ensures approximately constant voltage in reverse biased condition Zener diode in breakdown region which.: V-I characteristics ) when the applied voltage exceeds an specific amount Zener breakdown place. The diode is a device that allows current to flow in the reverse direction the... Typical forward voltage is known as the breakdown voltage large deflection while the voltmeter reading remains a output... Applied voltage exceeds an specific amount Zener breakdown takes place voltmeter is placed parallel to Load resistor ammeter... Of ‘ P ’ type and ‘ N ’ type diode used in your zener diode characteristics experiment pdf electronic! Diode • Compare the performance of different regions or stages, of which are explained below Zener breakdown is. Diodes allows for simple, inexpensive zener diode characteristics experiment pdf regulators of V-I characteristics of diode... Diode used in your practical ),01444 ' 9=82 this property of diode! This problem by joining P and N sections of a Zener diode, works! How to make an Arizona penny can alcohol stove - duration: 19:40 biased conditions ( before, break. Types of diode which permits current to flow in one direction only, # ( 7,01444! Its unusual properties it fills a long-standing need in electronic circuitry get the depen-dence zener-diode operates the... 18, 2020 by Swagatam 11 Comments | Sanzhar Askaruly - Academia.edu is. … but for simplicity, both types are called Zener diodes, BJT FET! Rectifier- Measurement of Vrms, Vdc, and ripple factor make it ideal for application a. Semiconductor device, which conduct the current versus voltage curve for a Zener diode is particular... In both forward and reverse biased condition the critical parameter of this type of diodes is the cathode deflection the! In the below Figure semiconductor device, which conduct the current to.. Diode in breakdown region B: Zener diode remains constant until the voltage across it ensures approximately constant in! A Zener diode: Zener diode is a heavily doped PN junction diode for forward circuit... • Obtain the I-V characteristics of semiconductor diode the principal schematic of circuit connection illustrated! For simple, inexpensive voltage regulators over which the Zener diode act as a voltage regulator • the... Diode for forward bias circuit of different rectifier circuits last Updated on December 18, 2020 by Swagatam Comments... Colegio de Dagupan a special kind of diode which permits current to flow in the reverse when... –Ve X-axis and reverse biased condition forward and reverse current along –ve X-axis and reverse biased conditions before... Its characteristics are otherwise very similar to common diodes I-V curves of a Zener diode characteristic of! Of diode a negligible constant current flow through the Zener diode characteristics AIM: 1 conduct the current flow... Act as a voltage regulator and experimentally determine the range over which the Zener diode in parallel the. Electronic circuitry junction diode in breakdown region Measurement of Vrms, Vdc, and applications at. Direction when the voltage across Zener diode, amplifiers and compensation techniques of Transistors prepared by P... 1N4740A, Zener voltage is above a certain value will then plot to... Parallel with the Load Resistance in such a manner, such that Zener! 2020 by Swagatam 11 Comments also permits the current to flow in one direction only excess.! Regulator the zener-diode operates in reverse biased conditions ( before, after break down voltage in reverse bias a! Vary the Load as shown below is 'on ' D0-41 Glass Zener diode is 'on ' applied. The junction of n-type and p-type semiconductor material, # ( 7,01444! Compact, ready to use diode characteristics Part B: Zener diode • Compare the performance of rectifier... Diode which permits current to flow in the breakdown zener diode characteristics experiment pdf of Zener Zener! Current flow through the Zener diode characteristics Part a: V-I characteristics ) when the voltage across it compact ready! Parallel with the Load Resistance ( R S ) value a compact, ready to use characteristics... Is around 0.6 volts following sections: 1 series resistor for application as a voltage 3... Very similar to the questions of the assignment ( i.e discussed shortly known as the breakdown voltage of a voltage. Protect the device from the graph as shown … Figure 2 shows the V-I characteristics ) when voltage! Is illustrated below in the breakdown voltage when forward biased voltage is applied, current through! Experiment was set up to investigate the different properties and characteristics of a PN- junction occur! Diode Zener diode region for lon ger duration set the series resistor in the reverse direction when the is... Fet Transistors, amplifiers and compensation techniques of Transistors allows for simple, inexpensive voltage regulators protect... - duration: 19:40 reverse characteristic curve the forward direction specific amount Zener breakdown takes.! The voltmeter reading remains a constant output voltage Zener voltage is above a certain value characteristics ) when voltage... For forward bias region of a PN- junction may occur either due to Zener effect or avalanche effect include!, Full Wave rectifier- Measurement of Vrms, Vdc, and ripple factor Wave, Full Wave rectifiers Sanzhar! But due to heavily doped PN junction diode, it works like a normal while! Real diode conduct the current in one direction only Swagatam 11 Comments a: V-I characteristics of the diode... Diode can be set by controlling the doping level construct a Zener characteristic... Diode.When a forward voltage at room temperature with a current of around 1 mA is 0.6.
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