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

[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, ...

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 ...

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… ...

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.

The opposite is true for Class D amplifiers, some of which choke when presented with low impedance dips at high frequencies because of potential interactions with their output filter. Amplifier and ...