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???
12/08/07 09:05
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#147984 - This also depends
Responding to: ???'s previous message
Kai Klaas said:


Usually, you take buffers before entering the ADC. At input of these buffers there should be enough room for RC-filters, so that chokes aren't needed.
Kai


This , helps!, at the OPAMP input stage where the signal is fed, when we design a filter for some unusual environment (I havn't analysed before , simple 1uF or 10uF+ .1uF worked well),What realtime analysis system is required ,I could see conducted noise with CRO AC mode. I am suspecting may be my probes too getting coupled noise .How to read the amount of noise and snub it with RC filter exactly.


PCB layout is my choise of a design.I take full precaution with the PCBs.

Regards/
AP

List of 14 messages in thread
TopicAuthorDate
1uF or 0.1uF or 0.01uF for decoupling?            01/01/70 00:00      
   Resonance on supply lines            01/01/70 00:00      
      laziness? problems?            01/01/70 00:00      
         Contamination            01/01/70 00:00      
         Exactly            01/01/70 00:00      
      In the FAQs            01/01/70 00:00      
   This depends on your application            01/01/70 00:00      
      Application specific            01/01/70 00:00      
         Values            01/01/70 00:00      
       Does this applies equally to            01/01/70 00:00      
         This also depends            01/01/70 00:00      
            This also depends            01/01/70 00:00      
   Also            01/01/70 00:00      
      location, location, location            01/01/70 00:00      

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