audio amplifier

Stereo Audio Pre-Amplifier Circuit with Bass and Treble Control using Transistors

Often times, we need to control bass, treble, and volume of our audio signal before passing it through amplification stages to...

Build Your Own Guitar Distortion Pedal Circuit

Who does not like the rumbling tone of a distorted electric guitar? It is a key part of many important genres of music, especially in blues and...

High Power LA4440 Double IC Stereo Audio Amplifier with Bass and Treble Control

The LA4440 is a very popular dual-channel audio amplifier commonly used to build high power audio amplifiers. The IC is known...

Simple 2x32 Watt Audio Amplifier with TDA2050

If you are thinking about building a simple, cheap, and moderately high power amplifier circuit that can deliver up to 50-watt...

Superheterodyne AM Receiver - Working with Block Diagram and Schematics

A superheterodyne receiver uses signal mixing to convert the input radio signal into a steady intermediate frequency (IF) that...

Long Range Arduino Based Walkie Talkie using nRF24L01

We are living in the era of 5G and 5G-enabled devices; however, old technologies like the walkie-talkie system and RF...

Arduino Based FM Radio using RDA5807

Today almost everyone uses their mobile phones to listen to music, news, podcasts, etc. But not long ago we were all depending...

12V Audio Power Amplifier using TIP35C – Class A Amplifier

Loudspeakers are heavy loads, and they normally require high current to be driven which is provided by an external circuit....

Biasing Methods of Class A BJT Amplifiers

When you want to design bipolar transistor circuits you need to know how to bias them. Biasing is applying electricity to a...

CoolGaN 400V and CoolGaN 600V Devices for Premium HiFi audio systems and Low power SMPS applications

Infineon Technologies has introduced two new devices CoolGaN 400V and CoolGaN 600V, to its portfolio of CoolGan devices. The...