Charge-transfer programmable filter

Details Charge-transfer programmable filter Charge-transfer programmable filter

1978-04-11

1980-08-19

Gruber, Felix D.

Boots, shoes, and leggings

333165, 364604, 364724, G06G 716, H03K 5159

Patent

active

042187524

ABSTRACT:
A one bit by N correlation digitally programmable filter comprising a multi-phase charge-transfer shift register whose phase are selectively clocked to achieve the programming. One phase is coupled to an integrator circuit that generates an output voltage proportional to the sum of the charged packets transferred. The clocking cycle is repeated sequentially to generate other selected summations. A plurality of correlators are utilized in parallel to perform an M bit by N correlation.

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patent: 3952188 (1976-04-01), Sloate et al.
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patent: 3987292 (1976-10-01), Means
patent: 3987293 (1976-10-01), Crooke et al.
patent: 4034199 (1977-07-01), Lampe et al.
patent: 4035628 (1977-07-01), Lampe et al.
patent: 4058717 (1977-11-01), Engeler
patent: 4100513 (1978-07-01), Weckler
patent: 4120035 (1978-10-01), Cases et al.
patent: 4149128 (1979-04-01), White

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