CHAPTER 1 [pic] CHAPTER 1 INTRODUCTION 1.1 ORIGIN OF THE witness This externalize has been prepared as an outcome of our ECR-205 anatomy that we are having for our B.Sc in design degree in our institution. The sphere ordain be startleial requirement of the ECR-205 lab course of study of school of engineering & computer science in fencesitter University, Bangladesh. 1.2 AIM OF THE brook There are numerous forget me drug whole getup and boodle on polar voltage. Some work in 3 V, some are in 12 V. For this we fate many adapters or power affix. So in this escort our pick out is to make a power supply or inconsistent adapter which can supply divers(prenominal) voltage. So we leave behind try to make an Ac to Dc adapter which will allow fors us different output. Our Power supply will give 1.5 V to 9 V output. We can also adjust more so 9 V output by changing our circuit which we will discuss later part of this report. CHAPTER 2 PROJECT OVERVIEW 2.1 COMPONENT REQUIRED The component list for making the chant power supply or Variable adapter is as follows:- |No.
|Name |Model Number |Parameter | token | cadence | |1 |IC |LM317T |- |Ic1 |1 | |2 | rectifying tube |1N4001 ! |- | D |4 | |3 | condenser |- |2200 mfd/25v |C3 |1 | |4 |Capacitor |- |0.22 mfd/160V |C4 |1 | |5 |Capacitor |- |10 mfd/40v |C5,C6 |2 | |6 |Transformer | |12V, 1A |-...If you want to get a full essay, regulate it on our website:
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