Pulse width modulated generator

Details Pulse width modulated generator Pulse width modulated generator

2005-07-19

2005-07-19

Vu, Bao Q. (Department: 2838)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

C323S222000

Reexamination Certificate

active

06920054

ABSTRACT:
A generator of at least one pulse width modulated signal, including: a generator of a sawtooth signal a generator of high and low reference signals defining, based on a set-point signal, a linear range of each ramp of the sawtooth signal at least one element of comparison of the sawtooth signal with each of the reference signals and at least one element of logic combination of the comparison results, providing the pulse width modulated signal.

REFERENCES:
patent: 5162987 (1992-11-01), Sambhu
patent: 5198785 (1993-03-01), Jordan
patent: 5541543 (1996-07-01), Arnaud
patent: 6522115 (2003-02-01), Greitschus
patent: 6650553 (2003-11-01), Tsai

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