In today’s world, power amplifiers are used in many devices for a wide variety of applications. In general, an amplifier takes a low power input and regenerates the signal at several watts higher.

(Editor's Note: There are links to the previous parts of this series at the end, below the author's biography.) Now that we discussed some of the basic applications for an op amp (operational ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like every other element in the professional AV sphere, digital audio has continued to advance at ...

How a paper substrate and biodegradable circuitry can be used for basic circuits. How the researchers fabricated and connected active and passive devices literally “on paper.” Details of their first, ...

Best electric guitars 2025: Our pick of guitars to suit all budgets “Its solid quality, punchy tone and its surprising amount of headroom might make it a secret weapon for rehearsals, or even gigs”: ...

Evaluating S-parameters and other CW stimulus responses is essential for characterising rf amplifiers. An rf vector network analyser (VNA) plays a critical role for this purpose, and proper ...