SemiGen was founded in 2009. Located in Londonderry, NH, our 43,000 sq. ft facility encompasses all of our manufacturing needs under one roof. With over 20,000 sq. ft of clean room space, our facility services multiple requirements in the RF/microwave markets. Our diverse products range from PIN, schottky and step recovery diodes, to thin film circuits, filters, attenuators, and more providing a turn key solution for many hard to find items. Our RF/microwave and automated PCB assembly, box build and module testing operations allow us extensive capacity for microwave designs.