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Narrow-aperture SAW filter with both transducers finger-length-weighted

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1 Author(s)
Blake, C.D. ; University of Oxford, Department of Engineering Science, Oxford, UK

A 2.5 ¿-aperture SAW filter has been designed and tested. The single-mode nature of the waveguiding filter allows finger-length-weighting to be distributed between input and output transducers according to a simple procedure. The resulting filter has a stopband rejection in excess of 50 dB.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 23 )