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Power supply history monitor

  • US 20070164753A1
  • Filed: 01/18/2006
  • Published: 07/19/2007
  • Est. Priority Date: 01/18/2006
  • Status: Abandoned Application
First Claim
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1. A power supply history monitor for a microelectronic circuit comprising a power supply high frequency noise signal input, an analog inverter analog delay element in series with the signal input, a sample and hold element receiving a signal from the analog delay element, an operational amplifier analog signal processor receiving an output of the sample and hold element, and an analog to digital converter receiving an analog output of the analog signal processor and producing a digital output therefrom, said power supply history monitor on a chip with the microelectronic circuit.

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