H - Electricity – 03 – H
Patent
H - Electricity
03
H
333/54
H03H 9/64 (2006.01) H03H 9/02 (2006.01) H03H 17/04 (2006.01)
Patent
CA 1178348
ABSTRACT OF THE DISCLOSURE An elastic surface wave recursive filter comprising: at least one delay line formed by two elas- tic surface wave transducers, such line being looped on itself externally by an amplifier, an extra transducer for introducing an elastic surface wave into such line, such extra transducer being connected to an input of the filter, and another transducer having the form of a transversal filter, and being coupled to the line and connected to an output of the filter. The transfer func- tion of the filter is the form Image , the numerator and the denominator being independent.
379506
Feldmann Michel
Gabry Andre
Henaff Jeannine
Etat Francais Represente Par Le Secretaire D'etat Aux Postes Et Telecommunicat
Goudreau Gage Dubuc
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