Narrow band interference signal removing device

Details Narrow band interference signal removing device Narrow band interference signal removing device

1990-05-08

1993-03-23

Jackson, Jr., Jerome

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Responsive to non-optical, non-electrical signal

257416, 333193, 333194, 310313R, 310313B, H01L 2984, H01L 4102, H03H 925

Patent

active

051967200

ABSTRACT:
A narrow band interference signal removing device uses first diode arrays and second diode arrays both provided in propagation paths of surface acoustic waves in order for the first diode arrays to detect the signal magnitude of a surface acoustic wave propagating in an opposite direction to obtain information on the spectrum magnitude of an input signal and responsively control a bias to the second diode arrays.

REFERENCES:
patent: 3675140 (1972-07-01), Fang et al.
patent: 4060833 (1977-11-01), Onyshkevych
patent: 4468639 (1984-08-01), Green et al.
patent: 4697115 (1987-09-01), Mitsutsuka
patent: 4967113 (1990-10-01), Mitsutsuka
patent: 5028101 (1991-07-01), Sugai et al.
patent: 5033063 (1991-07-01), Okamoto et al.
Moriizumi et al., 1978 Ultrasonics Symp. Proceed., pp. 54-59, IEEE, Cat. #78 CH1344-1SV, "A ZnO/Si SAW . . . Effect".
8030 Electronics Letter, vol. 14, No. 17 (1978.08), pp. 562-564 "Adaptive Filter Based on S.A.W. Monolithic Storage Correlator", P. M. Grant, G. S. Keno.
IBM Technical Disclosure Bulletin, vol. 12, No. 5, Oct. 1969, pp. 638-639, "Detection of Piezoelectric Surface Acoustic Waves", C. G. Powell and H. G. Lean.

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