High voltage generation and regulation system for digital...

Details High voltage generation and regulation system for digital... High voltage generation and regulation system for digital...

2005-03-15

2005-03-15

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

06867638

ABSTRACT:
A high voltage generator provides high voltage signals with different regulated voltage levels. A charge pump generates the high voltage, and includes a quadrature phase forward and backward Vt-canceling high-voltage self-biasing charge pump with a powerup-assist diode. A high voltage series regulator generates the high voltage supply levels, and includes slew rate enhancement and trimmable diode regulation. A nested loop regulator eliminates shunt regulation.

REFERENCES:
patent: 5592115 (1997-01-01), Kassapian
patent: 6285622 (2001-09-01), Haraguchi et al.
patent: 6297687 (2001-10-01), Sugimura
patent: 6359500 (2002-03-01), Zanuccoli et al.
patent: 6496055 (2002-12-01), Li
patent: 6573780 (2003-06-01), Lin et al.

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