Removing perturbation signal from a serial data stream, and to measurement and/or protection apparatus including same
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United States of America Patent
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Oct 18, 2022
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N/A
app pub date -
Sep 12, 2019
filing date -
Sep 21, 2018
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Abstract
An apparatus is provided which substantially removes a perturbation signal from a pulse density modulated signal representing a combination of a signal to be measured and a perturbation applied to the signal to be measured. The removal of the perturbation is done by subtracting a correcting signal from the pulse density modulated signal. This approach introduces very little delay as it can be implemented by simple logic gates. It also provided enhanced immunity from the effects of bit errors.
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