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some questions sigma-delta DAC

 
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lcking



Joined: 12 Sep 2002
Posts: 34


Post12 Jun 2003 16:41   some questions sigma-delta DAC

Where can I download some paper about the theory of DEM techniques for Sigma-delata DAC?
and, who can explain the encode rule of the signed thermometer code?
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svicent



Joined: 11 Jul 2001
Posts: 405
Helped: 20


Post12 Jun 2003 17:52   

You can get information:

1 Elektroda forum. Search sigma delta

2 XILINX application note XAPP154.PDF "Virtex ynthesizable Delta-Sigma DAC"

3 Circuit Cellar #140 March 2002, pag 52..59 "Balancing D/A Conversion on One Pin
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nk_me



Joined: 13 Sep 2003
Posts: 1


Post13 Sep 2003 4:38   Re: some questions sigma-delta DAC

DEM is relatively easy to understand.
Many papers are available.
it is difficult to determine the structure of the system,
especially the structure of the modulator.
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