US Patent 7352311 Continuous time noise shaping analog-to-digital converter

Patent 7352311 was granted and assigned to Freescale Semiconductor on April, 2008 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Freescale Semiconductor

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7352311

Date of Patent

April 1, 2008

Patent Application Number

11507919

Date Filed

August 22, 2006

Patent Primary Examiner

‌

Cam Linh Nguyen

Patent abstract

A system for a continuous time noise shaping analog-to-digital converter (“ADC”) with a suppressed carrier pulse width modulated (“PWM”) quantizer is disclosed. In particular, a suppressed carrier feedback signal may expand the dynamic range of a sigma delta modulated ADC and enhance the stability of the noise shaping loop.

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