Bias control device

Details Bias control device Bias control device

1990-11-28

1992-06-30

Swann, Tod R.

Pulse or digital communications

Repeaters

Testing

380 34, 333150, 333195, H04K 100

Patent

active

051270200

ABSTRACT:
A bias control device for a narrow band interference suppressing filter using a surface acoustic wave (SAW) element is disclosed, in which bias shift signals corresponding to spectre intensities of channels having central frequencies different from each other outputted from the filter are caught as digital data; magnitudes of the data are compared and at the same time the channel numbers are sorted in the order of the spectre intensities; and control signals for the filter are generated in this way.

REFERENCES:
patent: 4675839 (1987-06-01), Kerr
patent: 4697115 (1987-09-01), Mitsutsuka
patent: 4764701 (1988-08-01), Garbacz et al.
patent: 4943975 (1990-07-01), Kurihara et al.
patent: 5028101 (1991-07-01), Sugai et al.

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