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close this bookAmplifier Teaching Aid (DED Philippinen, 86 p.)
close this folderLesson 2 - Bipolar Transistor
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View the documentTransistor currents
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Introduction

Amplifier Principle


Fig. 2-1: Amplifier- principle

Small- and Large Signal Amplifier


Fig. 2-2: Pre- and power amplifier

Amplifier circuits provide power gain.

Ex: P input- = 5 mW, P output = 50 W