Charge transfer filtering device

Details Charge transfer filtering device Charge transfer filtering device

1979-10-03

1981-04-28

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency or time domain filters and delay lines utilizing...

307221D, 333166, H03H 1502, H03H 1704, G11C 2100

Patent

active

042648840

ABSTRACT:
Charge transfer filtering device which comprises a recursive filter and a non-recursive filter. The two filters on separate semiconductor substrates have charge injection means 12, 10 receiving the input signal E for the non-recursive filter 2 and the output signal S, previously phase-displaced by 180.degree. by means 9, for the recursive filter 1. Means 15, 16, common to both filters, ensure the reading and summation of the charge quantities weighted by means P and 14 and then the supply of the output signal S.

REFERENCES:
patent: 4100513 (1978-07-01), Weckler
patent: 4145675 (1979-03-01), Picquendar

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