Magnum Semiconductor | 7,031 followers on LinkedIn. Magnum Semiconductor is a leading provider of silicon, modules, software and IP for the professional broadcast infrastructure market. Magnum provides top of the line products, tools and technologies for the entire video content creation and distribution chain, from contribution and production through distribution over cable, Satellite and IPTV to Over-the-Top video streaming. Magnum Semiconductor is headquartered in Milpitas, California, with sales and engineering offices in Canada, Europe, China, Japan and Korea.