Class D amplifiers have been used in designs where audio performance and EMI are sacrificed for increased efficiency. Today, however, several new techniques have lead to the introduction of ultra-low ...

The rapid adoption of battery-operated consumer electronics such as smartphones, tablets, and portable speakers is driving the steadily rising demand for efficient audio amplifiers. High-efficiency ...

EMI standards needed to ensure compatibility. EMI reduction methods that can be applied to power modules. This article offers ways to reduce and even avoid electromagnetic interference (EMI)—noise—in ...

An engineering design team faces a common set of difficult decisions for each new product, including production schedules, cost constraints, manufacturing processes, and regulatory-agency approvals.

(Nanowerk Spotlight) Carbon nanotube assemblies enabled design of a hybrid thermo-electromagnetic sound transducer with unique sound generation features that are not available from conventional ...