Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 16, 2007
Patent Application Number
11407187
Date Filed
April 20, 2006
Patent Primary Examiner
Patent abstract
An application circuit for shaping noises and method thereof involve an analog-to-digital converter which converts a first analog signal into an n-bit digital signal for an encoder to generate a p-bit digital signal. Then a control circuit generates a plurality of control signals based on the p-bit digital signal, wherein p is two to the power of n minus one, and n is an integer greater than one. Each of the (2n−1) unit elements with element mismatch in an internal n-bit digital-to-analog converter executes the digital to analog conversion in response to the corresponding control signal, thereby generating a second analog signal, and an adder outputs the first analog signal based on the second analog signal and a third analog signal.
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