[Part 1 covers the basics of bipolar junction transistors and looks at some typical BJT audio circuit configurations.] 9.7 Junction Field Effect Transistors (JFETs) JFETs are, almost invariably, ...

Solid-state device technologies, which are available to the amplifier designer, fall, broadly, into three categories: bipolar junction transistors (BJTs) ...

As we’ve followed a trail through Hi-Fi and audio systems from the listener’s ear towards the music source, we’ve reached the amplifier. In our previous article we gave a first in… ...

Learn how to make a speaker amplifier at home with our step-by-step guide! This video provides detailed instructions and tips ...

Explore the fascinating world of audio amplifiers with our hands-on experiments that you can easily try at home! This video guides you through the science of amplifying sound, explains essential ...

Hams often give short shrift to the audio in their homebrew transceivers, and [Vasily Ivanenko] wants to change that with this comprehensive guide to audio amplifiers for the ham.