Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ryan Erik Lind0
Arun Kumar Sharma0
Ronnie A. Bean0
Date of Patent
June 8, 2010
0Patent Application Number
122537640
Date Filed
October 17, 2008
0Patent Primary Examiner
Patent abstract
An apparatus is provided. The apparatus includes an amplifier, differential amplifiers, and FETs. The amplifier has an intermediate node and an output node, and the amplifier is adapted to receive an audio signal. Each differential amplifier amplifies the difference between an output voltage from the output node with a reference voltages. The FETs are coupled in series with one another between a first and a second voltage, and each FET receives an output from at least one of the differential amplifiers. Additionally, the intermediate node is coupled to a node between at least two FETs.
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