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AssigneeUbidyne, Inc.
InventorsUdo Karthaus, Horst Wagner
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An asynchronous delta-sigma modulator is proposed that comprises an input port, a filter, an envelope path, a phase path, an amplifier, and a feedback path that conveys the amplifier output signal to the filter. The envelope path extracts an envelope from the signal provided by the filter and issues an envelope signal. The phase path processes or processes a phase from the signal provided by the filter and issues a phase signal. The amplifier comprises input ports for the envelope signal and the phase signal. The amplifier issues an amplifier output signal based on said envelope signal and said phase signal. The feedback path conveys the amplifier output signal to the filter. The feedback signal contains both amplitude information and phase information. A corresponding method and computer-program products usable for production and operation of the delta-sigma modulator are also disclosed.
An asynchronous delta-sigma modulator comprising
A radio-frequency transmitter circuit, comprising an asynchronous delta-sigma modulator comprising
A computer program product embodied on a computer-readable medium and comprising executable instructions for the manufacture of the asynchronous delta-sigma modulator comprising
A method for asynchronous delta-sigma modulation of an input signal, comprising:
A computer program product comprising instructions that enable a processor to carry out a method for asynchronous delta-sigma modulation of an input signal comprising:
Dependencies are inferred from the claim text.