Class AB amplifier having cascode stage with filter for improving linearity
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United States of America
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Feb 25, 2020
Grant Date -
Jul 26, 2018
app pub date -
Dec 14, 2017
filing date -
Dec 14, 2017
priority date (Note) -
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Abstract
The present invention provides a class AB amplifier, wherein the class AB amplifier includes a cascode stage with a filter and an output stage. The cascode stage with the filter is arranged for receiving an input signal to generate a first driving signal and a second driving signal, wherein the filter filters the input signal to generate an filtered input signal, and at least one of the first driving signal and the second driving signal is generated according to the filtered input signal. The output stage is coupled to the cascode stage, and is arranged for generating an output signal according to the first driving signal and the second driving signal.
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