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Ripple monitoring

  • US 10,641,837 B2
  • Filed: 05/12/2016
  • Issued: 05/05/2020
  • Est. Priority Date: 11/30/2015
  • Status: Active Grant
First Claim
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1. A ripple monitoring circuit for generating information indicative of a failing component in a power supply, the ripple monitoring circuit comprising:

  • at least one input that receives a ripple signal from the power supply that has a ripple component;

    a quantization circuit that quantizes an amplitude of the ripple component based on the ripple signal, the quantization circuit outputs a digital signal; and

    a ripple amplitude statistics counter bank comprising a plurality of counters, the ripple amplitude statistics counter bank being configured to receive the digital signal from the quantization circuit and, based on the digital signal, count and store a value representing the number of times that different quantized amplitudes or different ranges of quantized amplitudes of the ripple component occurred.

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