Switching power amplifier is an essential part for active magnetic bearings (AMBs). Proportional control method is widely used in AMB’s switching power amplifiers for it has many advantages. The gain ...

Power amplifier (PA) is the core device for dc-RF conversion in wireless power transfer (WPT) system. However, the drain efficiency (DE) of PA decreases significantly due to the load mismatch effect ...

There are numerous evergreen chips in the semiconductor industry, and this blog provides a sneak peek at some of these timeless technology marvels. Take µPC1237, for instance, NEC’s bipolar analog IC, ...

Upon power-up of the stereo power amplifier, uPC1237 initiates monitoring of the amplifier’s output voltage via Pin 2. Concurrently, Pin 4 assesses a secondary reference voltage to verify proper ...

Quantum computers just got cooler—literally—thanks to a smart amplifier that slashes heat without sacrificing speed.

Smart amplifier cuts power consumption, paving way for more qubits and less decoherence by Chalmers University of Technology edited by Sadie Harley, reviewed by Robert Egan Editors' notes ...