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???
02/17/04 18:10
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#64953 - RE: CENTER Noise of about +4,-4 with AD7730
Responding to: ???'s previous message
1004 to 996 gram what is the reasin for that

+- 0.4% that is actually pretty good. Yes it is noise, and with a careful redesign of your PCB (look at Maxim evaluation boards for op-amps for ideas) you should be able to get it lower, HOWEVER, you will not reach zero. The 'normal' way to handle thbis is twofold
1) integrate the readings
2) do not change the display if the change is less than published accuracy.

Erik


List of 17 messages in thread
TopicAuthorDate
noise with ADC board            01/01/70 00:00      
   RE: noise with ADC board            01/01/70 00:00      
      CENTER Noise of about +4,-4 with AD7730            01/01/70 00:00      
         RE: CENTER Noise of about +4,-4 with AD7730            01/01/70 00:00      
            RE: CENTER Noise of about +4,-4 with AD7730            01/01/70 00:00      
               RE: CENTER Noise of about +4,-4 with AD7            01/01/70 00:00      
               RE: CENTER Noise of about +4,-4 with AD7730            01/01/70 00:00      
                  RE: CENTER Noise of about +4,-4 with AD7730            01/01/70 00:00      
                     RE: CENTER Noise of about +4,-4 with AD7730            01/01/70 00:00      
                        RE: CENTER Noise of about +4,-4 with AD7            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      
RE: noise with ADC board            01/01/70 00:00      

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