Digital Audio Volume Control Circuit using PT2258 IC and Arduino
A potentiometer is a mechanical device using which one can set the resistance according to the desired value, thus changing the...
audio amplifier
Raspberry Pi Audio Amplifier HAT from Infineon for Active Speakers with Wireless Music Streaming
Infineon Technologies AG has introduced a self-contained Raspberry Pi audio amplifier HAT (Hardware Attached on Top) board that...
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...
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...
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