Charge pump

Details Charge pump Charge pump

1998-11-04

2000-12-19

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327531, 363 60, G05F 110

Patent

active

061632058

ABSTRACT:
A charge pump, to generate a voltage (overvoltage) greater than the supply voltage, includes disk capacitors triggered via an oscillator circuit, the first terminals of the disk capacitors being connected to the oscillator circuit and their second terminals being wired together in a node to which the overvoltage is applied. The oscillator circuit includes an R-C phase shifter oscillator at whose outputs three output signals, phase shifted 120.degree., are applied, and the outputs are connected to disk capacitors via differential voltage current amplifiers.

REFERENCES:
patent: 4433253 (1984-02-01), Zapisek
patent: 4962512 (1990-10-01), Kiuchi
patent: 5029063 (1991-07-01), Lingstaedt et al.
patent: 5036229 (1991-07-01), Tran
patent: 5216588 (1993-06-01), Bajwa et al.
patent: 5280420 (1994-01-01), Rapp
patent: 5483434 (1996-01-01), Seesink
patent: 5748032 (1998-05-01), Baek
patent: 5874850 (1999-02-01), Pulvirenti et al.

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