The eldest member of the megastar K-pop group took the stage to deafening screams at the stadium in Anaheim, delivering a wide swath of solo hits and BTS favorites during his two-night run.

Silicon MOSFETs-based medium-power (< 50W) Class-D amplifiers (CDAs) switching in the MHz range have gained popularity in recent years, which achieves better linearity thanks to a higher loop gain in ...