An Analog-to-Digital Converter Including Adaptive Delta Modulation
An analog-to-digital converter and delta modulation technology, applied in the direction of delta modulation, etc., can solve the problems of complex analog circuit structure, limited application of sigmadelta analog-to-digital converter, and high power consumption, and achieve low cost, low power consumption, and low power consumption. The effect of power consumption
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[0027] 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 making creative efforts belong to the protection scope of the present invention.
[0028] see figure 1 , is a schematic diagram of a known delta modulator system. The system consists of an analog adder 102 , a sample and hold circuit 103 , a quantizer 104 and a feedback circuit 105 . The analog adder 102 is used for subtracting the analog input signal 101 and the feedback signal 106 to generate an error signal 107 . If the error signal 107 is greater than zero, ie the input signal 101 is greater than the feedback signal 106, the output 109...
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