Elastic surface wave recursive filter

Details Elastic surface wave recursive filter Elastic surface wave recursive filter

1981-05-13

1983-07-26

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333166, 333196, H03H 964, H03H 925

Patent

active

043956890

ABSTRACT:
An elastic surface wave recursive filter comprising: one passive resonator formed by two tuned transducers, a means for introducing an elastic surface wave into such resonator, such means being connected to an input of the filter, and a third transducer having the form of a transversal filter, the transducer being coupled to the resonator and connected to an output of the filter.
The transfer function of the filter is of the form P(z)/Q(z), the numerator and the denominator being independant.

REFERENCES:
patent: 3965446 (1976-06-01), Craven et al.

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