Old radios didn’t have much in the way of smarts. But as digital synthesis became more common, radios often had as much digital electronics in them as RF circuits. The problem is that digital ...

The Hanna H. Gray Fellows Program is a transformational award for postdoctoral scientists who show exceptional promise as future leaders in academic science, advancing foundational discoveries while ...

H&R Block's e-filing products are intuitive and easy to use. For paid users, tax pro support is available via screen share or chat. Many, or all, of the products featured on this page are from our ...

Abstract: The cascaded-H-bridge (CHB) type converter is widely used in grid-tied applications, such as static var generator (SVG), static synchronous compensator (STATCOM), and photovoltaic system. In ...

Abstract: Power electronic transformer (PET) is widely used in AC/DC interconnection and other fields, and its input cascade H-bridge converter (CHB) contains multiple power semiconductor devices.

Founded in 1905, H-E-B is a regional supermarket chain with 455 stores in Texas and Mexico. The company's Central Market stores compete with Whole Foods and the Mi Tienda stores sell Hispanic foods. H ...