Method of intermediate frequency filtration in a television rece

Details Method of intermediate frequency filtration in a television rece Method of intermediate frequency filtration in a television rece

1978-11-22

1981-01-13

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313A, 310360, 333194, H01L 4118, H03H 964, H03H 925

Patent

active

042452007

ABSTRACT:
An elastic surface wave device includes a transducer having an elastic surface wave propagated in the direction of 75 to 133 degrees to a Y-axis on an X-cut lithium tantalate (LiTaO.sub.3) substrate.

REFERENCES:
patent: 3818382 (1974-06-01), Holland et al.
Mitchell et al., "Surface Wave Filters", in Mullard Technical Communications, No. 108, Nov. 1970; pp. 179-181.

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