Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device
Patent
1980-10-24
1984-08-28
Miller, Stanley D.
Electrical pulse counters, pulse dividers, or shift registers: c
Charge transfer device
377 61, 307571, 307490, G11C 1928, H03K 17687
Patent
active
044687982
ABSTRACT:
A switched capacitor filter is designed utilizing two switched capacitor charge pumps connected in series. These two charge pumps operate with different clock frequencies thereby allowing charging of a storage capacitor at a higher frequency, thereby decreasing incremental voltage steps during the charging of the storage capacitor, resulting in the generation of a smoother exponential voltage rise.
REFERENCES:
patent: 3621283 (1971-11-01), Teer
patent: 3922567 (1975-11-01), Adams et al.
patent: 4180807 (1979-12-01), Eichelberger et al.
American Microsystems, Inc.
Caserza Steven F.
Davis B. P.
Franklin Richard
MacPherson Alan H.
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