A kind of feedback circuit and electronic equipment for d class power amplifier
A technology of power amplifier circuit and power amplifier, which is applied in the direction of amplifiers, components of amplifier devices, amplifiers with semiconductor devices/discharge tubes, etc., and can solve problems such as high cost and complex feedback circuit design
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0032] First of all, it should be noted that the class D power amplifier targeted by the embodiment of the present invention includes a waveform generator 101, a comparator 102, a power amplifier circuit 103, a power supply 105, and a signal generator 106. For the functions of the above-mentioned devices, please refer to figure 1 The corresponding device in it. The present invention provides a feedback circuit for the above class D power amplifier, such as Figure...
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