Reducing offset from an amplifier output without a low pass filter
Abstract:
An output of a first amplifier is coupled to an input of a first track and hold circuit and an input of a second track and hold circuit. An input of a first summing circuit is also coupled to an output of the first track and hold circuit and an output of the second track and hold circuit. In addition, an input of a second summing circuit is coupled to the output of the first track and hold circuit and the output of the second track and hold circuit. Moreover, an input of a third summing circuit coupled to an output of a modulator and an output of the second summing circuit, and an output of the third summing circuit coupled to an input of the first amplifier.
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