System for compensating voltage for a CCD sensing circuit

Details System for compensating voltage for a CCD sensing circuit System for compensating voltage for a CCD sensing circuit

1974-12-27

1976-03-23

Canney, Vincent P.

Communications: electrical

Digital comparator systems

307221C, 328 37, G11C 1140, G11C 1900, H03K 1760

Patent

active

039463680

ABSTRACT:
A system for providing a compensated voltage used for precharging the detector/refreshing amplifiers in a charge-coupled memory employing a plurality of shift registers. A pair of dummy registers are used to generate a reference register output signal which is applied to a dummy sensor. The output of the dummy sensor is used to control, through a current source, the compensated voltage; the compensated voltage is used to pre-charge the dummy sensor. The system is particularly adaptable for an MOS CCD memory employing two layer polycrystalline silicon technology.

REFERENCES:
patent: 3643106 (1972-02-01), Berwin et al.
patent: 3763480 (1973-10-01), Weimer
patent: 3848236 (1974-11-01), Troutman

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