Tiny Audio Amplifier using IC LM386
You will love to assemble this very tiny very popular versatile audio amplifier using IC LM 386. It is very economical and simple to assemble by anyone who is interested in the project. It can be used in any audio amplifier applications from toys to big gadgets very easily. It consumes very little power and can be assembled for battery operation also. Very much suitable for any common audio amplifier applications. It is very compact, versatile, and inexpensive and very few components are needed. Hobbyists, electronics enthusiasts and even professionals prefer to build this circuit for their projects.
Tiny Audio Amplifier using LM386
This circuit provides a straightforward and compact audio amplifier solution. The LM386 is a low-voltage audio power amplifier in a small 8-pin DIP package, making it ideal for portable or space-constrained projects.1
Know your circuit
You will be astonished to find this tiny audio amplifier with sufficient volume for any audio project.
Parts list
U1- IC LM 386R1- 10K ohms volume control
R2- 10K ohms resistor
C1- 10 MFD electrolytic capacitor
C2-100n capacitor
C3-220 MFD electrolytic capacitor
C4-47n capacitor
B- 12V battery
Sp1-Speaker
Sp1-Speaker
Know the design
Key Features:
Simple Circuitry: Minimal external components are required, simplifying assembly.
Low Voltage Operation: Operates on low voltages (typically 4-12V), suitable for battery-powered applications.2
High Gain: Provides significant amplification for low-level audio signals.3
Small Size: The LM386's compact package allows for miniaturized designs.
Applications:
Small portable speakers
Audio alarms
Simple sound systems
Educational electronics projects
Know the assembling
It is easier to assemble on any general-purpose board. However,, a PCB design developed for ease of assembly and simplicity is given.
Conclusion
This is a basic circuit. For improved performance, consider adding capacitors for filtering and decoupling.
Refer to the LM386 datasheet for detailed specifications and application notes.
This circuit provides a foundation for building a small and efficient audio amplifier. You can customize it further by adding features such as volume and tone controls and input/output jacks.
No comments:
Post a Comment