Affiliation: | a Institute for Precision Engineering, Vienna University of Technology, Floragasse 7, A-1040 Vienna, Austria;b Department of Mechatronics, University of Applied Sciences Wiener Neustadt, A-2700 Vienna, Austria;c Philips Semiconductors AG, CH-8045 Zürich, Switzerland;d Department of Electronics, Faculty of Electronic Engineering, University of Niš, 18000 Niš, Yugoslavia |