I will refrain from any form of academic dishonesty or deception, such as cheating or plagiarism. When the derivation of an The graph below shows the current-voltage characteristic of the semiconductor diode.This is a typical characteristic for semiconductor diodes used in electronics (V F = 0,7V). Circuit Theory (EE112) Uploaded by. Diode I-V characteristics The I-V graph for a non-ideal diode is shown in figure 2, along with an ideal approximation to accommodate the non-zero threshold voltage. Experiment No.1 Semiconductor diode characteristics Object: To study the characteristics of the forward and reverse biased junction diodes. For the reverse characteristics of the given p-n junction diode, a graph is plotted with reverse voltage along X axis and reverse current along Y axis. Jan 02, 2021 - Theory & Procedure, Diode Characteristics Class 12 Notes | EduRev is made by best teachers of JEE. ... • Obtain the I-V curves of a signal diode and a zener diode • Compare the performance of different rectifier circuits . (Houghton . EQUIPMENTS Gunn oscillator, Gunn power supply, PIN modulator, Isolator, Frequency meter, Variable Warning: Because diodes of the same type can have significantly different characteristics, use the same diode for all experiments in this lab. When cathode is positive with respect to anode the , the diode said to be reverse biased. chung chinngee. Breadboard, Diode and 1KΩ Resistor. Theory: Zener Diode: Zener diode is a heavily doped PN junction diode. This document is highly rated by JEE students and has been viewed 162 times. The knee voltage of a diode is related to the barrier potential of the material used in the device. Here's an example of a characteristic of the instrumentation affecting the accuracy of an experiment: the input resistance of the DVM (of order 10MW) is comparable to the resistance R2 (of order up to 1MW) in the circuit being measured. When you take your measurements for this experiment, you will find the response of your diode for both the forward and the reverse bias modes of operation. Apparatus used: Zener diode, voltmeter (0-2volt), voltmeter (0-30 volt), mili-ammeter, micro- ammeter, variable source (0-2 volt and 0-30 volt). Figure 2. I am aware that as a member of the academic community it is my responsibility to turn in all suspected violators of the honor code. Diode Characteristics Physics Kids Projects, Physics Science Fair Project, Pyhsical Science, Astrology, Planets Solar Experiments for Kids and also Organics Physics Science ideas for CBSE, ICSE, GCSE, Middleschool, Elementary School for 5th, 6th, 7th, 8th, 9th and High School Students. Experiment 4. The diode will be easier to understand if we compare the diode to another two terminal device we know (and love) the resistor. The junction voltage vs. current characteristic of an LED is similar to the V-I characteristics of diodes. We will also see how the diode can work as a rectifier, which is an essential part of most DC sources that are driven by AC voltages. Course. 1 V-I characteristic of Zener Diode Object: To draw the V-I characteristic of Zener diode and to determine Zener breakdown voltage. Semiconductor Diode – Current-voltage characteristic. With your lab partner, brainstorm on the following ideas: • How can you determine quantitatively the shape of the characteristic curve of a forward - biased diode? (6) Laser diode characteristics Aim of experiment: Measuring operating characteristics for a diode laser, including threshold current, output power versus current, and slope efficiency. We will first consider the I-V characteristic of a standard diode that we can use in the classroom. DC power supply. EXPERIMENT: DIODE & ZENER DIODE Objective:- To study the forward and reverse bias characteristics of diode and zener diode. Theory:-A Semiconductor diode is prepared by joining P and N sections of a semi conducting … If you need to use your diode on another day, mark it with a piece of tape with your name and leave it in the storage cubbies in the back of the lab. Conduct the experiment for obtaining the forward bias VI characteristics of the given diode.if the cut in voltage is .3V,it is Germanium diode.If it is .6,diode … They are graphical characteristics showing how […] Full Wave Rectifier Name: Sanzhar Askaruly ID: 201100549 Date: 17/09/2014 Introduction Diode is an electronic device having conductor at their ends. Unlike ordinary PN junction diode, the reverse current in Zener diode is measured using milli-ammeter due to the large flow of current. In this article, we learn about PN junction diode characteristics in detail – like how to bias a PN junction (Forward & Reverse bias methods), behavior of PN junction during forward & reverse bias setups, how to plot the VI characteristics, what is reverse breakdown and many other essential concepts regarding a PN junction diode. L-I characteristic for diode laser at 20.3° C and varying drive current. EXPERIMENT NUMBER 4 Examining the Characteristics of Diodes . Apparatus:-Experimental kit and patch cords. So let’s begin. The semiconductor diode starts conducting current after exceeding the threshold of the forward voltage value specified by the manufacturer in the data sheet. 11. Characterizing a diode involves finding the I-V behavior of the diode for both the forward and the reverse bias modes of operation. V-I Characteristics 2. # Characteristics of a Zener Diode The above diagram shows the V-I characteristics of the Zener diode behavior. Academic year. While doing the experiment do not exceed the readings of the diode. However, there is one major difference. To test the diode over a wide range of currents, different values of R2 were used. A typical representation of a diode’s IV-characteristics for both modes of operation, plotted on a linear scale, is shown in Figure 2. 2. When discussing about the diode circuits we should look through the graphical representation of the operation of the Zener diode. University. VI characteristics of zener diode 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. UCSI University. Diode Characteristics Prelab: You are tasked to determine experimentally the characteristic curve of a diode and to compare your data with a theoretical model of the diode response. 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