The purpose of a 100 Watt Transistor Audio Amplifier Circuit is to transform a weak electrical signal from an audio source such as a phone or MP3 player into a considerably stronger signal that can power loudspeakers. In this circuit transistors play the vital role to amplify the input signal into a massive 100 watt […]
Amplifier Circuits
Simple 5V Audio Amplifier Circuit using IC LM4876
An 5V audio amplifier circuit that is bridge tied is made using the IC LM4876. This kind of circuit increases the audio signals volume for uses such as powering a portable devices speaker. It might be difficult to build a compact amplifier for portable devices since they require minimal power. The LM4876 chip from texas […]
Simple Stereo Audio Amplifier Circuit using IC 6283
A popular dual channel stereo audio amplifier chip for low to medium power audio applications is the IC 6283. Build your own circuit or purchase pre made amplifier boards that use this integrated circuit. A simple stereo amplifier that is simple to construct is the 6283 audio amplifier circuit. It boosts a weak stereo signal […]
Simple Subwoofer Amplifier Circuit using IC TDA7294
The TDA7294 can be used in a subwoofer amplifier circuit to increase the low frequency bass signals that get to a subwoofer speaker. An integrated circuit made expressly to function as an audio amplifier is the TDA7294. The TDA7294 is a monolithic integrated circuit, or one chip that comes in a multiwatt 15 package. It […]
Simple Single Transistor Audio Amplifier Circuit
Just as the name implies, a simple single transistor audio amplifier circuit is a basic circuit that uses just one transistor to increase the amplitude of an audio stream. It is an excellent introduction to the principles of amplification and how transistors operate. Do you want to assemble a simple audio amplifier without a complicated […]
Simple 40 Watt Audio Amplifier Circuit
A 40 Watt audio amplifier circuit is a type of electrical circuit used to boost audio signals from low power sources to a loudspeaker driving level. This lets you listen to your audio or music at a far louder volume. The IC TDA2040 integrated circuit is the center of this simple 40 watt audio amplifier, […]