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Method for converting a plurality of signals from one of a digital and analogue form to the other form

  • US 6,621,434 B2
  • Filed: 06/10/2002
  • Issued: 09/16/2003
  • Est. Priority Date: 06/11/2001
  • Status: Active Grant
First Claim
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1. A method for selectively and sequentially converting a plurality of signals of different frequency band width from one of a digital and analogue form to the other of the digital and analogue form, wherein the signals in the analogue form are passed along a common analogue path through an analogue filter, the method comprising the steps of:

  • sequentially selecting the signals to be converted, sequentially passing the selected signals through a converter circuit for converting the signals from the one of the digital and analogue form to the other of the digital and analogue form, and over-sampling the respective signals in the converter circuit at respective over-sampling frequencies so that the analogue forms of the signals can be filtered in the same analogue filter in the common analogue path.

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