Title :
Acoustic surface-wave filters without apodisation loss with electrodes with inclined apodisation
Author :
Hohkawa, Kohji ; Ishihara, Fujio ; Yoshikawa, Shokichiro
Author_Institution :
NTT, Musashino Electrical Communication Laboratory, Musashino, Japan
Abstract :
The letter reports a new apodisation of electrodes which provides surface-acoustic-wave filters capable of operation without apodisation loss and with sufficiently large stopband attenuation. The effectiveness of the apodisation was shown by experiments.
Keywords :
acoustic surface wave devices; electrodes; filters; acoustic surface wave filters; apodisation loss; electrodes; inclined apodisation; stopband attenuation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19750196