Two-dimensional surface acoustic wave signal processor

Details Two-dimensional surface acoustic wave signal processor Two-dimensional surface acoustic wave signal processor

1977-08-01

1978-09-12

La Roche, Eugene

Wave transmission lines and networks

Coupling networks

With impedance matching

333 70T, 333 72, 364821, H03H 926, H03H 930, H03H 932, H01L 4110

Patent

active

041141164

ABSTRACT:
A surface acoustic wave signal processor comprises a piezoelectric substrate having acoustoelectric transducers disposed thereon in discrete channels which run along the direction of propagation of the substrate, there being a plurality of acoustoelectric transducers in each channel which are connected to related ones in adjacent channels, and a transducer in each channel which is electrically independent from related ones in adjacent channels, thereby providing a plurality of ports, each port having a transducer in each of the channels, the transducers of at least one of the ports being electrically interconnected and those of at least one of the ports being electrically independent. A variety of configurations and utilizations are disclosed.

REFERENCES:
patent: 3723916 (1973-03-01), Speiser et al.
patent: 3770949 (1973-11-01), Whitehouse et al.
patent: 3803395 (1974-04-01), Quate
Gerard et al., -"Burst Processor Tapped Delay Line" Second Interim Progress Report Technical Report ECOM 0046-2, Jan. 1974; Title pages and pp. 2-11 through 2-16 and 3-11.
Holland et al., -"Practical Surface Acoustic Wave Devices" in Proc. IEEE, vol. 62, No. 5, May 1974; Title page and pp. 582, 594, 595.

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