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› why use two switchs in the sampling period?
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why use two switchs in the sampling period? (Read 3604 times)
lxw1983
New Member
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Posts: 3
why use two switchs in the sampling period?
May 08
th
, 2008, 7:43am
this is a sigma-delta ADC,why use two swichs (/S1,/S1D)in sampling period?
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Stefan
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Posts: 124
Re: why use two switchs in the sampling period?
Reply #1 -
May 8
th
, 2008, 7:52am
strongly looks like DC offset cancellation ...
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lxw1983
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Re: why use two switchs in the sampling period?
Reply #2 -
May 8
th
, 2008, 7:52am
Hope someone can help me ,thanks !
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lxw1983
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Re: why use two switchs in the sampling period?
Reply #3 -
May 8
th
, 2008, 7:58am
DC offset cancellation?what mean ?I'm sorry I can't understand.
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ywguo
Community Fellow
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Posts: 943
Shanghai, PRC
Re: why use two switchs in the sampling period?
Reply #4 -
May 21
st
, 2008, 12:12am
Hi lxw1983,
Would you please post a timing diagram of those switches?
Yawei
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