Design and performance of SAW microstrip antenna-duplexers for mobile phones in the UHF -band
K. Weigenthaler, R. Dill, I. Schropp, R. Weigel
Design and performance of SAW microstrip antenna-duplexers for mobile phones in the UHF -band
K Weigenthaler*, R Dill**, I Schropp***, R Weigel*
*Technische UniversWit Miinchen, Lehrstuhl fiir Hochfrequenztechnik, Arcisstr 21, D-80290 Miinchen, Germany. "Siemens AG Miinchen, Corporate Research and Development, Otto-Hahn-Ring 6, D-81739 Miinchen, Germany. ***Siemens Matsushita Components, OFW E, Ba