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US Patent 7852155 Class-D amplifier and method therefor

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1

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

1

Patent Number

Patent Inventor Names

Hassan Chaoui1

Date of Patent

December 14, 2010

1

Patent Application Number

115724311

Date Filed

March 3, 2006

1

Patent Primary Examiner

Steven J Mottola

1

Patent abstract

In one embodiment, a class-D amplifier (11) is configured to form first (DP) and second (DN) PWM signals each having a duty cycle that is proportional to a received analog input signal (12) and responsively to enable a switch (31, 32) to short the outputs (13, 14) of the class-D amplifier (11) together responsively to some states of the first (DP) and second (DN) PWM signals.

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