Charge pump with charge injection

Details Charge pump with charge injection Charge pump with charge injection

2006-10-24

2006-10-24

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

07126410

ABSTRACT:
A charge pump including n cells in series, each cell comprising a shift capacitor (Cdi) and a storage capacitor (Cmi), respectively having a shift parasitic capacitor (Cpi) and a storage parasitic capacitor (Cqi). The presence of the parasitic capacitors (Cpi, Cqi) leads to a loss of charge transmitted to the cell. Each cell comprises charge injection means (Cdinji, Cminji) for partially or totally compensating, or even overcompensating, the lost charge quantity. The charge pump may be implemented in silicon-on-insulator technology.

REFERENCES:
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patent: 6320796 (2001-11-01), Voo et al.
patent: 6429724 (2002-08-01), Ogura et al.
patent: 6667494 (2003-12-01), Yamazaki et al.
patent: 0 691 729 (1996-01-01), None
Patent Abstracts of Japan, JP 63-028268, Feb. 5, 1988.
Patent Abstracts of Japan, JP 2001-037211, Feb. 9, 2001.

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