Title :
A miniaturized low-spurious 1.9 GHz MSW band-pass filter using YIG resonators with multi metal rings
Author :
Ishikawa, Y. ; Okada, T. ; Shinmura, S. ; Kanaya, F. ; Wakino, K. ; Nishikawa, T.
Author_Institution :
Murata Manufacturing Co. Ltd., Kyoto, Japan
Abstract :
A simple technique for forming multiple metal rings on both sides of a YIG element has been developed to suppress the spurious responses of YIG resonators. By using this resonator, a 10-mm*5-mm*4-mm/sup 3/ two-stage MSW (magnetostatic wave) bandpass filter has been developed. The insertion loss is about 2 dB at 1.9 GHz and the suppression of spurious response is 25 dB. The filter is useful for signal processing in the circuits of portable microwave telecommunication sets because of its compact dimensions and excellent filter characteristics.<>
Keywords :
band-pass filters; garnets; magnetostatic wave devices; microwave filters; mobile communication systems; 1.9 GHz; 2 dB; YFe5O12; YIG resonators; band-pass filter; bandpass filter; filter characteristics; insertion loss; multi metal rings; portable microwave telecommunication sets; signal processing; spurious responses; Band pass filters; Delay lines; Frequency; Garnets; Magnetic resonance; Magnetostatic waves; Manufacturing; Microwave filters; Resonator filters; Transducers;
Conference_Titel :
Microwave Symposium Digest, 1992., IEEE MTT-S International
Conference_Location :
Albuquerque, NM, USA
Print_ISBN :
0-7803-0611-2
DOI :
10.1109/MWSYM.1992.188270
