Power operational amplifiers (POPs) are becoming increasingly common in control circuitry. Their primary advantages over conventional amplifiers are reduced part counts, increased reliability, and ...

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 ...

In systems with multiple supply voltages, operational amplifier power supplies must be established simultaneously with, or before, any input signals are applied. If this doesn’t happen, overvoltage ...

The low-power MAX44267 operates from a single 4.5- to 15-V power supply. (Images courtesy of Maxim Integrated) In the perpetual quest to meet the demands wrought by today’s mobile applications, Maxim ...

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 ...

Understand the basic audio components of a Hi-Fi stereo system so you know what to look for when shopping for audiophile equipment. Amplifier. Amp. Preamp. Integrated amp. Phono stage. Tube amplifier.