Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

The PMA5-223+, a gallium-arsenide (GaAs) pHEMT distributed MMIC power amplifier covering 10 MHz to 22 GHz, is Mini-Circuits' ...

Power amplifiers deliver a specific amount of AC power to a load. They are used in audio frequency and radio frequency applications. An RF power amplifier is used to amplify radio frequency (RF) ...

Researchers have devised a new concept of superconducting microwave low-noise amplifiers for use in radio wave detectors for radio astronomy observations, and they have successfully demonstrated a ...

Typically, amateur radio operators use the minimum power needed to accomplish a contact. That’s just part of being a good spectrum citizen, and well-earned bragging rights go to those who make ...

Rockford Fosgate will bring a major slate of new audio products to the 2026 SEMA Show, led by its TMA Adaptive Power Series ...

The Emotiva XPA-2 is a two-channel amplifier is one of the most powerful, highest value amplifiers we've reviewed to date. It is a lone wolf in a pasture of sheepish amplifiers. Power output: 250 ...

Today, vinyl is at its most popular since the late 1980s. Record sales have been on the rise for the last 18 years (every year since 2006) and new record plants are opening up for the first time in ...

A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.

Over the years, tutorials have appeared in EMC journals explaining how to estimate the power required from a power amplifier intended for use in an RF immunity test system. Little material, if any, ...

As audio/video hobbyists, most of us grew up thinking that if we have an amplifier with 50 watts of rated output power into 8-ohm speakers, and that combination produces reasonably clean and loud ...