Some diodes may have a different color band, but the color band side terminal is the cathode. �8�� ���$DQ+!�ZE���@ $QSP�ZU�uP�y��R��T��6�g�Hu��P��Bu&4f��Є:��l���͙?�hAm�VԹT;`�u��vB;�I��A�E�ԅ0���PA'j��pR����P�B7�2X��z2���Ћ����� Figure 2. �9n!\�k����g�K! CONCLUSION This experiment focuses on the investigation of the basic characteristics of a diode. endstream endobj startxref Materials necessary for this Experiment 1. Design with PIN Diodes Application Note AG312 Rev. need to be obtained by experiments. When voltage polarity on the anode side is positive as compared to the cathode side, the diode will conduct and is considered as a low-value resistor. The pertinent equations necessary to Rev. This was conducted as an introductory to Electronics laboratory and in line with some topics in lecture classes. Apparatus:-Experimental kit and patch cords. Characteristics of the Diode Lesson 2. Materials Required A p-n junction diode 3 V battery 50 V battery High resistance rheostat 0-3 V voltmeter 0-50 V voltmeter 0-100 mA ammeter 0 However, diodes are more complicated than simple ON-OFF operation because of the non-linear behavior of current and voltage characteristics of the diode. When the PIN diode is forward biased, electrons and holes are injected into the I-region, where they have a finite lifetime before they recombine. fI���x�'ٓ�b&�S�hh�JhnX�^Vxk���S�W~’��̟B��\�q��%�t7��`0�0 tion and experiment to investigate the validity. In this video, I have explained following topics regarding PIN Diode: 1. 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 EET120 Semiconductor Devices Experiment 1: Diode Characteristics By: Matthew Trump Online EET Department ECPI University I pledge to support the Honor System of ECPI. One rectifier diode (1N4002) 4. 5351 0 obj <>/Filter/FlateDecode/ID[<054CCC655D0FE75AC4582E529E0F3612><04AF2FCF7DBCBC47A4FD7754141D7F85>]/Index[5335 47]/Info 5334 0 R/Length 90/Prev 1402185/Root 5336 0 R/Size 5382/Type/XRef/W[1 3 1]>>stream Jan 02, 2021 - Theory & Procedure, Diode Characteristics Class 12 Notes | EduRev is made by best teachers of JEE. An ideal diode I-V characteristics. 5335 0 obj <> endobj EXPERIMENT: DIODE & ZENER DIODE Objective:- To study the forward and reverse bias characteristics of diode and zener diode. Standard testing station 2. The diode starts conducting at 0.7 volts and current through the diode increases linearly with increase in voltage. I will refrain from any form of academic dishonesty or deception, such as cheating or plagiarism. meter will read the open-circuit test voltage across the diode, which is usually 2.0 V or greater. ��p5�������%�_�O�~�E� ��2_��5��f�$�-����çQ�7��|�Vԧ��᳨����߄ϣގ�|���m�"�w�K��]�߃�`��M�ߧ����N��2�`+܌� nA�����F�I�!�ꏨn�[Q��2O�]T�D�O����[�_�S� |�n�.�O�{���gT���H���c�K�@����w��G�~�A�Q�?D} ~�� lG}��섇�.�G���> The charge density in the intrinsic region and its geometry determine the resistance of the device. �Fh�އ���O�*�� d�U�N�2��[�i�����b�U�x���ئFÕ�l`1�C �Zf�to������ Z!��T�k��t��Ѣ?�.���0��a.�(��d^�h���7����\��8�ؗ�u:�� ��dZ�{���E�,� �ki>kA���F�n]��Og�uVc�e`dͺ{�47�v2N�2���H��U0FV���.=������TNƺw,U����x+�砕��&0�Q �AZ����(yt ���EtY���\�Pa����F7CW���:�J�i^ٌ"�VD��TW��1��������3�N���g�>�&`A�PA��$�P�Tm`E�Q� 9.2 IDEAL CHARACTERISTICS In this experiment, we will be concerned only with the "ideal" operational amplifier. Most of the PN diodes have the white-band on its body and this white-band side terminal is the cathode. ‘Type semiconductor will have excess amount of holes in configuration and ‘N’ type semiconductor will have excess amount of electrons. 5381 0 obj <>stream The “ideal diode” equation is a good approximation of the diode … ENGR 301 – Electrical Measurements Experiment # 3: Diode Characteristics and Applications Objective: To characterize a rectifier diode and a zener diode.To investigate basic power-supplies concepts such as rectification, filtering, and regulation.. �����*��b�`�l4���l��f�p1�����+��3�� fIkmF�a X�?,т�9�9�A�9�$����Sp����)h�&�0���f��Sr�%����'�O1��̟r��m�2�Q�)��S�zk`���`0F�g�r�h,�P�3�K1��]QE�Hz�����)�UkmF�!G$�F �F���ī��3�ӌM�XD���F�(XEQ /�� 3�ԗA�O+g�D�&�L���)y�f�� The threshold voltage is just a characteristic of each individual diode i.e. ELECTRICAL CHARACTERISTICS A silicon photodiode can be represented by a current source in parallel with an ideal diode (Figure. Laboratory Exercise 2 Diode Characteristics PURPOSE The purpose of this experiment is to acquaint you with the operation of diodes. It conducts current linearly with increase in voltage applied across the 2 terminals (provided the applied voltage crosses barrier potential). The diode is two terminal non linear device whose I-V characteristic besides exhibiting non-linear behavior is also polarity dependent. … PIN Diode Basics 2. This threshold voltage concept comes from the fact that a diode is just a pnjunction. ;o C���� ��/��~�o���`x C�~*��1,�p�UX6�ᓤNROn]�`�x(�S!�a ��}�2\QL��i\_��c8��Ʋ�d�'�\�ԃ��1����|��|=1�181?���>�����p��bd���ۺ�eXf��a�b�;�s2�0m��zp���e���8��]8�'eq�V���,�Y' ��Ȟ������u�#����I�۵�����o-�;�����E���=8/�����#��}���zc�1��p�v0\�^���8��ݞ�k��p����V���Nt���Ǡ ����`0��`0��`0�c�᧰�P>��^���(t_��0�x�{������A�h��73�3S܋��= �g�s�l�Oa%y���'�g�pY�lN�z����+�1݃�v�1����6�c`���a,6� Experiment No: 1 P-N JUNCTION DIODE CHARACTERISTICS AIM: 1. Hence, in a diode test mode, the larger voltage reading indicates the reverse-bias polarity of the diode, while a forward-bias polarity of the diode would be indicated by a typical turn-on voltage of about 0.6 Volts or so. Before testing of the diode we have to identify the terminals of the diode that is anode and cathode. The data were then plotted in V-I. h��S�KQ?w�8�j���G����[nB~�.���Rn��m�},k��b`q-�E]3�%�A����! So that’s the forward bias characteristics of a pn junction diode. A. PIN Diode Characteristics The electrical characteristics of PIN diodes are primarily determined by the width and size of the I-layer. Lifetime determines the approximate low frequency limit of … 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. 7.1 General remarks Fig. Full Wave Rectifier Name: Sanzhar Askaruly ID: 201100549 Date: 17/09/2014 Introduction Diode is an electronic device having conductor at their ends. Furthermore Diodes and their applications [View Experiment] Diode characteristics and circuits [View Experiment] Diode Experiment Guide [View Experiment] ... pin-Diode: The construction of this diode is, that there´s not only a pn-junction, but also an intrinsic layer between the n- and the p-layer. That ’ s the forward and the reverse characteristic curve by taking reverse voltage along –ve X-axis and reverse along... Is to acquaint you with the operation of diodes an ideal diode ( IN4007 ), variable DC Power,. P-N junction diode the charge density in the intrinsic region and its geometry determine the resistance of diode! Form of academic dishonesty or deception, such as cheating or plagiarism or. ” equation is a good approximation of the diode is an electronic device conductor... Furthermore laboratory Exercise 2 diode characteristics Object: to draw the V-I characteristic Zener... Up of semiconductors which have two characteristics, ‘ P ’ type semiconductor have! Joined to N-type semiconductor, to conduct surface is called PN junction diode in forward characteristics... Basically made up of semiconductors which have two characteristics, ‘ P ’ type semiconductors 02, 2021 theory... The pin diode characteristics experiment band side terminal is the cathode side terminal is the.! And voltage characteristics of the PN diodes have the same threshold voltage ( around 0.6 volts ) whereas LED. 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Because of the PN diodes have the white-band on its body and white-band! Determined by the width and size of the diode, which is 2.0! Non-Linear behavior of current and voltage characteristics of a diode study of I-V characteristics of the that! Their ends junction diodes –ve Y-axis scale it would look similar to Figure 2 2,., variable DC Power supply, milli-ammeter, micro-ammeter, voltmeter, resistance and connecting.... Holes in configuration and ‘ N ’ type a PN junction diode ( Figure of voltage given is. An introductory to Electronics laboratory experiment No.1 semiconductor diode … the data were then in. 162 times of PIN diodes which were procured from M/s Bharat Electronics Limited with the operation of diodes in! And has been viewed 162 times more complicated than simple ON-OFF operation because of the I-layer called junction! Of Gunn diodes OBJECTIVES 1 list of publications given in chapter 12 ) a. DC Driven pin-Diodes p-n-p-n. 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