Articles and buying guides about power amplifiers, tube amps, and amplification needs for stereo and multi-channel audio systems. Even though many of the links are a few years old, there was still ...

With so much attention on IBOC, it is appropriate to step back and review the basic principles of RF amplifiers. The radio transmitter is a collection of stages. Each stage modifies the signal in some ...

Operational amplifiers (op amps) have proliferated from specialized instruments made from large tubes to tiny monolithic circuits composed of a sliver of silicon, germanium or gallium arsenide. Dozens ...

The operational amplifier is arguably the most useful single device in analog electronic circuitry. When you apply them in the circuits, you must know their basics and functions. As for the function ...

All electric guitar players know that the amplifier is just as important — if not more — as the guitar itself for shaping your sound. Each major amplifier model has unique dynamics and tonal ...

Fig 1. This basic source-follower circuit is the kind of amplifier you would find in an electric bass guitar amplifier. R6 provides the feedback. On the other hand, low-distortion applications require ...