➀ Advanced Energy has announced a half-brick dc-dc converter capable of delivering 1.3kW at 28V; ➁ The ADH1300-48S28 is designed for telecom wireless base stations and RF power amplifiers; ➂ Input range is 36 to 75Vdc, with an adjustable output across 14 to 33Vdc and efficiency peaking at 95.5%.