TDA audio amplifier circuits are produced in generally by Philips and SGS-THOMSON. The most used ICs are TDA2030 and TDA2003 for small audio amplifiers kits and TDA7294 for higher power amplifiers. In ...

This is a simple 60W class B power amplifier. This audio amplifier can work from 30 to 60V with the maximum input voltage around 0.8 – 1V. It is built with the well known 2N3055 and can deliver up to ...

Here’s a nostalgic vibe of an awesome analog chip from the 1990s era that’s still making an impact in audio designs.

They’re no good for audio but find a use in RF power amplifiers, where LC circuits filter out the resulting harmonics.) A Fully Digital Audio Amplifier: Class D ...