E5_2 - CONTENTS PAGE 1 INTRODUCTION.2 1.1 Background.2 1.2...

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Unformatted text preview: CONTENTS PAGE 1. INTRODUCTION................................................................................................2 1.1 Background...................................................................................................2 1.2 Objectives.....................................................................................................2 1.3 Apparatus......................................................................................................2 2. THEORY..............................................................................................................3 3. PROCEDURE.......................................................................................................4 3.1 Quiescent point.............................................................................................4 3.2 Gain at signal frequency of 1 kHz.............................................................4 3.3 Frequency response of the transistor amplifier ..........................................4 4. CALCULATIONS and RESULTS......................................................................5 5. DISCUSSION.......................................................................................................7 5.1 Precautions and errors.................................................................................8 5.1.1 Precautions............................................................................................8 5.1.2 Errors....................................................................................................8 5.2 Comments on the accuracy of different measuring devices......................8 5.3 Comments on the observation of non linearity of transfer characteristics...............................................................................................9 5.4 Comments on the transfer curve................................................................9 5.5 Comments on experiment 4.3.....................................................................9 6. CONCLUSION...................................................................................................10 7. REFERENCE......................................................................................................10 8. APPENDICES 1. Introduction: 1.1. Background An instrument capable of amplifying every component in a signal by the same amount is an amplifier. Two classes of transistor amplifier are used in the engineering field, i.e. bipolar junction transistors (BJT) and field-effect transistors (FET). In our experiment, only npn BJT transistor is dealt with. A npn BJT transistor is a transistor in which a thin layer of p-type semiconductor material separates two n-type material. There are three contacts made to a BJT transistor....
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This note was uploaded on 10/18/2009 for the course ECONS 111 taught by Professor Yo during the Spring '09 term at Nassau CC.

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E5_2 - CONTENTS PAGE 1 INTRODUCTION.2 1.1 Background.2 1.2...

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