Title :
A sophisticated design procedure for a triple mode SAW filter suppressing adjacent channel interferences in digital mobile telephones
Author :
Yamada, T. ; Nishimura, K. ; Ishizaki, T. ; Ogawa, K.
Author_Institution :
Matsushita Electr. Ind. Co. Ltd., Osaka, Japan
Abstract :
A triple mode SAW filter is practicably developed as a first mass production model. Although the basic concept had been well known, the effective design procedure has not been reported so far due to the difficulties of the analysis. The authors have developed a sophisticated design procedure for triple mode SAW filter successfully. The filter samples show excellent performances. It will be a key component for digital mobile communication systems.
Keywords :
adjacent channel interference; digital radio; interference suppression; land mobile radio; surface acoustic wave filters; telephone interference; telephone sets; adjacent channel interference suppression; design; digital mobile telephone; mass production; triple mode SAW filter; Band pass filters; Digital filters; Electrodes; Frequency; Interference suppression; Resonator filters; SAW filters; Shape; Surface acoustic waves; Telephony;
Conference_Titel :
Microwave Symposium Digest, 1997., IEEE MTT-S International
Conference_Location :
Denver, CO, USA
Print_ISBN :
0-7803-3814-6
DOI :
10.1109/MWSYM.1997.602925
