LCI
Joined: 09 Sep 2004
Posts: 8
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 09 Dec 2004 9:20 2nd double loop SDM overloading point |
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What is the overloading point of a double loop 2nd 3-level SDM overloading point?
In my simulation, it seem to be 90% of full scale (≈-1dB). But many paper say a double loop 2nd SDM only have 70% (≈-3dB). It this correct to use the Vref reference as the SDM Full scale? or we need to reference the SDM Full Scale to the quantizer overload region (e.g. 3 level: 1.5*vref)?
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