Wave transmission lines and networks – Coupling networks – Delay lines including elastic surface wave propagation means
Patent
1978-10-18
1980-04-22
Smith, Alfred E.
Wave transmission lines and networks
Coupling networks
Delay lines including elastic surface wave propagation means
310 25, 333156, 333196, 333246, H03H 926, H03H 934, H03H 930, H01P 308
Patent
active
041997379
ABSTRACT:
A magnetostatic wave device for microwave signal processing which includes an input or output transducer finger arrangement which allows shaping of the device response. Two sets of interdigitated fingers are connected to receive the same microwave input signal which is power divided between the two sets. The fingers of one set are substantially parallel to, and in side-by-side relationship with, the fingers of the other set. The device may be used for delay lines, filters, signal correlation, oscillators and numerous other microwave signal processing arrangements.
REFERENCES:
patent: 3353118 (1967-10-01), Olson et al.
patent: 3553733 (1971-01-01), Buck
patent: 4028639 (1977-06-01), Hagon et al.
Adam et al., "Microwave Magnetostatic Delay Devices Based on Epitaxial Yttrium Iron Garnet", Proceedings of the IEEE, vol. 64, No. 5, May 1976, pp. 794-800.
Adam John D.
O'Keeffe Terence W.
Patterson Ralph W.
Nussbaum Marvin
Schron D.
Smith Alfred E.
Westinghouse Electric Corp.
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