1. U. Guettich. Low cost voltage controlled oscillators for X-band mobile communication purposes realised with Si BTs and SiGe HBTs. Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, September17-18,1998, Michigan.
2. W. Heinrich. Coplanar waveguide silicon MMICs. Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, September17-18,1998, Michigan.