Selectable real time sample triggering for a plurality of inputs of an analog-to-digital converter

  • US 7,126,515 B1
  • Filed: 09/27/2005
  • Issued: 10/24/2006
  • Est. Priority Date: 09/27/2005
  • Status: Active Grant
First Claim
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1. An analog-to-digital conversion apparatus for converting a plurality of analog input signals, comprising:

  • a plurality of analog inputs, each to receive an analog input signal;

    a plurality of sample and hold circuits, each comprising an input selectively coupled to at least one of the plurality of inputs and an output;

    at least one analog-to-digital converter (ADCs), each comprising an input and an output;

    a plurality of trigger selection circuits, for selectively coupling selected ones of the plurality of analog inputs to a respective one of the sample and hold circuits; and

    at least one analog multiplexer, comprising a plurality of inputs, each for selectively coupling to at least one of the sample and hold circuit outputs and an output coupled to one of the at least one analog-to-digital-converters.

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