Title :
Sidelobe suppression of s.a.w. resonant filter using twin-turn reflectors
Author :
Hikita, Masayuki ; Kinoshita, Yuta ; Kojima, H. ; Tabuchi, T.
Author_Institution :
Hitachi Ltd., Central Research Laboratory, Kokubunji, Japan
Abstract :
Sidelobe suppression of twin-turn reflector filters is accomplished using longitudinal deformations of i.d.t.s. 41° Y-X LiNbO3 substrate is used, and in experiment the Japanese t.v.i.f. specification is nearly satisfied.
Keywords :
passive filters; surface acoustic wave devices; television receivers; LiNbO3 substrate; interdigital transducers; intermediate frequency filter; longitudinal deformations; passive filter; sidelobe suppression; surface acoustic wave devices; television receiver; twin turn reflector filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800557
