Design and implement a multi-stage audio amplifier, which willcapture audio signal from a...

Question

Design and implement a multi-stage audio amplifier, which will
capture audio signal from a microphone, amplify the signal and finally drive a
speaker.

You must follow the following design specifications

Microphone
Input Resistance: 1 KΩ

Amplifier
Gain ≥ 45 dB

Speaker
Resistance: 8 Ω

Project Report

A comprehensive project report. The project report should
include at least the following sections

a. Introduction

b. Circuit Schematic

c. List of Components

d. Theoretical Design Analysis

e. Simulation Results

f. Prototype Development

g. Test Results

Requirements:

· NPN BJT only

· Three multi-stage audio amplifiers.

Note: The below component values are the
only ones to be used for this project.

Resistors	Capacitors	Transistors
100Ω	0.1µF	2N3904 NPN Transistor
20KΩ	100µF
2.7kΩ	1 µF
3.3kΩ	22 µF
100kΩ	0.01 µF
10kΩ	47 µF
4.7kΩ	10 µF
47Ω
39Ω
33kΩ
8kΩ
200kΩ
2kΩ
50Ω
51Ω
1kΩ

project-mcniyqve.pdf

Banasree · Accepted Answer

a. Introduction: - In real life situation, the output of a single stage amplifier is fundamentally not able to meet the requirements of voltage or power. Therefore, in this assignment, project research has done on multi stage audio amplifier. In this device, initially the output is coupled with the next stage as a coupler. These couplers generally used as the capacitor. Basic three steps were followed:
	1. Cut off – The current input current of the transistor will be different i.e the base current and the collector current.

Design and implement a multi-stage audio amplifier, which willcapture audio signal from a microphone, amplify the signal and finally drive aspeaker. You must follow the following design specifications...

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