Low Distortion Power Amplifier Circuit Diagram

Introduction

When it comes to audio equipment, distortion can be a major concern. Low distortion power amplifier is essential for ensuring that the sound quality remains pristine and clear. Two popular options in the market are the NSP5191 and NSP5194 circuits for the output section, and the LM386 for the preamplifier section.

Specifications:

NSP5191:

• Input Voltage: 3.3V
• Output Power: 5 Watts
• Audio Input: 3.5mm stereo jack
• Dimensions: 10mm x 15mm x 2.5mm
• Operating Temperature: -40°C to 85°C

NSP5194:

• Input Voltage: 5V
• Output Power: 10 Watts
• Audio Input: RCA connectors
• Dimensions: 20mm x 25mm x 3mm
• Operating Temperature: -20°C to 70°C

LM386:

• Input Voltage: 4V to 12V
• Output Power: 1 Watt
• Audio Input: Differential
• Dimensions: 7.62mm x 6.00mm x 2.29mm
• Operating Temperature: 0°C to 70°C

Low Distortion Power Amplifier Circuit Diagram

This project can be built using a few basic components. The circuit diagram of this project is shown below.

Caution: Website contains information on high voltage circuits. Proceed at your own risk, ensuring proper knowledge and precautionary measures to prevent electric shock or injury.

More Circuit Layouts

Components List of Low Distortion Power Amplifier Circuit

Following is the list of all components used in this project:

• LM378 IC x 1
• NSP5191 Transistor x 1
• NSP5194 Transistor x 1
• 0.47uf Capacitor x 1
• 300uf Capacitor x 1
• 5uf Capacitor x 1
• 1000uf Capacitor x 1
• 82 Capacitor x 1
• 2k Resister x 1
• 100k Resister x 2
• 5 ohm Resister x 1
• 4 ohms Speaker
• 24V Single Power Supply

Explanation of Low Distortion Power Amplifier Circuit

The NSP5191 and NSP5194 are both highly efficient low distortion power amplifiers that deliver exceptional performance. These circuits are designed to minimize distortion and noise, ensuring that the audio output is faithful to the original signal. With their high efficiency and low power consumption, they are ideal for a wide range of applications, from high-end audio systems to portable devices.

On the other hand, the LM386 is a versatile and easy-to-use audio amplifier that is commonly used as a preamplifier. It is known for its simplicity and reliability, making it a popular choice for hobbyists and enthusiasts alike. The LM386 provides a stable and clean audio signal, making it a perfect complement to the NSP5191 and NSP5194 circuits.

Conclusion

In conclusion, low distortion power amplifier is essential for maintaining high-quality sound reproduction. The NSP5191, NSP5194, and LM386 circuits are all excellent choices for achieving low distortion amplification in audio systems. By using these circuits in combination, users can enjoy clear and crisp audio output without any unwanted noise or interference.

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For more project and circuit diagrams, you can go through the Schematics in the main menu where you can find many interesting projects and circuit diagrams like audio amplifier circuits, voltage booster circuit, battery charger circuit and timer circuits etc., which are all beginner circuit projects. Feel free to check them out!

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