System and Method for Generating a Pulse-width Modulated Signal
AssigneeInfineon Technologies AG
InventorsPeter Singerl, Christian Vogel
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Abstract
In an embodiment, a method of generating a pulse-width modulated signal from an input signal includes calculating a finite number of basis functions of a first pulse-width modulated signal based on the input signal, and forming an electronic output based on the calculated finite number of basis functions.
Claims28
A method of generating a pulse-width modulated signal from an input signal, the method comprising:
- calculating a finite number of basis functions of a first pulse-width modulated signal based on the input signal;
- and
- forming an electronic output signal based on the calculated finite number of basis functions.
A method of providing a pulse-width modulated signal from a digital input signal, the method comprising:
- calculating a first k Fourier harmonics of a first pulse-width modulated signal to produce a first digital signal, the first pulse-width modulated signal having a pulse-width proportional to an amplitude of the digital input signal;
- and
- forming an electronic output signal based on the first digital signal.
A system for providing a pulse-width modulated signal, the system comprising:
- a digital pulse-width modulator configured to generate a first plurality of basis functions approximating a pulse-width modulated signal have a pulse-width proportional to a first digital input signal.
An integrated circuit comprising:
- a digital pulse-width modulator configured to generate a first k Fourier harmonics approximating a pulse-width modulated signal have a pulse-width proportional to a first digital input signal;
- and
- a digital-to-analog converter coupled to an output of the digital pulse-width modulator.
Dependencies are inferred from the claim text.