Abstract: To avoid to be damaged when class D power amplifier chip load is short circuit, the paper presents a self-recovering over current protection circuit in chip. The over current protection ...

Audio amplifiers, also known as sound amplifiers, power amplifiers are a type of electronic amplifier. They have the effect of amplifying low-power electrical signal sounds to create high-power ...

Fosi Audio has launched a new audiophile-grade headphone amp and DAC that's capable of driving demanding headphones without costing too much. The ZH3 is priced at £179 / $199, which seems ...

Why you can trust What Hi-Fi? Our expert team reviews products in dedicated test rooms, to help you make the best choice for your budget. Find out more about how we test. We can’t remember the last ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

Streaming integrated amplifiers are some of the most popular hi-fi components because of their versatility. The “just add speakers” amplifiers have numerous wired and wireless connections so you can ...

Determined to close out the year with one more big product lineup, Cambridge Audio is at it again today launching its new premium EX Series, which consists of the powerful new EXA100 Stereo Integrated ...

For those looking to build a classic hi-fi system and not break the bank, Rotel’s newest integrated amplifier, the A8, should absolutely be on your radar. It’s one of the few integrated amplifiers — ...

Abstract: In the last years several ultra-low voltage (ULV) operational transconductance amplifiers (OTAs) with supply voltages below 0.5V have been proposed in the literature. To achieve high gain, ...