Fully-monolithic 3V SiGe differential voltage-controlled oscillators for 5GHz and 17GHz wireless applicationsJean-Olivier PlouchartBernd-Ulrich Klepseret al.1998ESSCIRC 1998
1.1 GHz MSM photodiodes on relaxed Si1-xGex grown by UHV-CVDS.J. KoesterB.-U. Klepseret al.1998DRC 1998