Compensation of 1st order transfer inefficiency effect in a C.T.

Details Compensation of 1st order transfer inefficiency effect in a C.T. Compensation of 1st order transfer inefficiency effect in a C.T.

1982-04-19

1984-06-19

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Charge transfer device

Compensating for or preventing signal charge deterioration

377 59, 377 60, G11C 1134, G11C 1928, H03K 1716

Patent

active

044556667

ABSTRACT:
Charge transfer devices exhibit transfer inefficiencies, so that a part of a transferred charge packet is left and lags the original charge packet. This results in "smearing" of the original charge packet, thereby adversely affecting the unit-function response and the frequency response of the charge transfer device. The invention provides a solution to this problem, utilizing a compensation charge derived from the original charge packet, which at a suitable instant is applied to a point where the residual charge is cancelled via a feedback loop.

REFERENCES:
patent: 4156152 (1979-05-01), Butler et al.
patent: 4156818 (1979-05-01), Collins et al.
patent: 4185324 (1980-01-01), Ward
patent: 4303839 (1981-12-01), Berger et al.

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