LPF (low pass filter)

By doyke , 31 August 2013

Can anyone explain the meaning of the LPF ?
What is the influence on the functioning and the performance of the MPU ?
What are the best settings for the LPF (for instance, if the DMP is running at a sample rate of 200 Hz, or with no DMP running, if the sample rate is 50 Hz) ?
What is the meaning of the delay-figures that go with different LPF-settings ?

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