Enabling High-Resolution Radars in G-Band Using SiGe MMICs

High-resolution radar technology above 110GHz offers unique opportunities for precision sensing in both industrial and scientific applications. This talk presents recent advances in the development of silicon-germanium (SiGe) Monolithic Microwave Integrated Circuits (MMICs), enabling radar systems above 100GHz with large instantaneous bandwidths. First, specific results of a radar demonstrator from 126GHz up to 182GHz will be presented. This system achieves multi-target resolution in the millimeter regime, down to 2.5mm, while maintaining an absolute ranging accuracy in the order of 1µm. Many practical examples of this system will be given. Furthermore, high-frequency radar sensors above 200GHz are presented, pushing the limits of state-of-the-art technology to enable even finer spatial resolution. The workshop presentation will provide insights into both the enabling hardware concepts and the broader application space of next-generation high-resolution sub-THz radars.