Title :
Surface-acoustic-wave rejection filters using mode conversion/reconversion
Author_Institution :
Standard Telecommunication Laboratories Ltd., Harlow, UK
Abstract :
The phenomenon of mode conversion/reconversion is considered in terms of filter theory, and the principles applied to a surface-acoustic-wave rejection filter. A rejection peak exceeding 40 dB is obtained with an overall rejection bandwidth of 1%.
Keywords :
acoustic microwave devices; acoustic surface wave devices; microwave filters; acoustic microwave devices; acoustic surface wave devices; microwave filters; mode conversion/reconversion;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19740166
