Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 10, 2008
Patent Application Number
11119914
Date Filed
May 3, 2005
Patent Primary Examiner
Patent abstract
The class D amplifier comprises a voltage control current source circuit for current-converting the voice voltage signal Vsin of the input into two signals with different polarities, two capacitance elements for integration where the electric charges of the each current-converted signal and the feedback signal are stored respectively, two hysteresis comparators for PWM conversion for comparing the potentials of the two capacitance elements for integration and a reference potential Vcom respectively, two output buffers for amplifying the outputs thereof respectively, and two constant current source feedback circuits for feeding back the output thereof respectively.
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