Output stage for a low-current charge pump and demodulator integ

Details Output stage for a low-current charge pump and demodulator integ Output stage for a low-current charge pump and demodulator integ

1998-07-09

2000-04-18

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

327434, H03K 1700

Patent

active

060520159

ABSTRACT:
The present invention discloses an output stage for a charge pump, mainly formed by transistors, for example, MOS-type transistors. This output stage includes capacitive elements intended to compensate charge/discharge phenomena of parasitic capacitances intrinsic to the transistors. A charge pump including such a stage may thus produce a low-value nominal current and enables to completely integrate a phase-locked loop demodulator.

REFERENCES:
patent: 4689581 (1987-08-01), Talbot
patent: 5144156 (1992-09-01), Kawasaki
patent: 5473283 (1995-12-01), Luich
patent: 5646563 (1997-07-01), Kuo
patent: 5699020 (1997-12-01), Jefferson
patent: 5886551 (1999-03-01), Narahara

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