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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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



















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
Answered 3 days AfterNov 20, 2022

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

Banasree answered on Nov 24 2022
42 Votes
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...
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