Low-power optical device achieves around 100 times amplification using just a couple of hundred milliwatts of input power ...

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 ...

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 ...

When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna.

Cambridge Audio — the British audio manufacturer best known for its beautiful, high-end and new-age streamers, amplifiers and turntables — has announced a compact power amplifier for traditional hi-fi ...

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.

NEC has developed a GaAs-based power amplifier that achieves what it believes is the world’s highest output power of 10 mW in the 150-GHz band. Built with mass-producible GaAs technology, the device ...

The Anthem STR preamp and power amplifier emphasize fidelity first armed with the latest in 32 bit DSP, ARC room correction, and oodles of power reserves on tap. More details in our review so read on.

Radio frequency (RF) power amplifiers are all over the place. Some of them can deliver enough RF output power to do biological harm to somebody. Many such amplifiers are solid state, but many others ...

Burson’s Soloist Stellar is a $1,500 Class-A headphone amplifier delivering up to 8W of power, a dedicated low-noise IEM stage, and upgradeable op-amps for demanding headphones and sensitive wired ...

Cirrus Logic’s CS35L45 Boosted Amp Gives Consumers a New Level of Audio Enjoyment when using Speaker Mode for Music, Podcasts, Video Conference Calls, Movies and Gaming AUSTIN, Texas--(BUSINESS WIRE)- ...