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Current measurement techniques to compensate for shunt drift
Current measurement techniques to compensate for shunt drift
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机译:电流测量技术可补偿分流漂移
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摘要
Described are various current measurement techniques that can compensate for drift in shunt resistance. Determining a resistance of a shunt resistor, e.g., coupled to a battery terminal, can include introducing a known signal in sync with the chop phases of a dual system chop scheme, chopping the known signal out in the main signal path, and explicitly extracting the known signal in a parallel, additional signal deprocessing path.
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