1. http://www.semiconductors.philips.com/news/content/file_1044.html.
2. http://www.semiconductors.philips.com/markets/communications/nexperia/system/.
3. European Microwave Week, Amsterdam;Philippe,2004
4. IMAPS Conference, Bruges, Belgium;Chevrie,2005
5. IEEE BCTM Meeting, Santa Barbara (USA);Deixler,2005