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???
06/05/05 00:16
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#94353 - reply
Responding to: ???'s previous message
Shivani Saini said:
hi friends,
i want to make 10k variation of resistance using parallel network of 12 resistances and switching them through microcontroller,please tell me how to calculate each resistance to get minimum step variation,switching will be done in binary(2^12=4096)combination.
thanks
shivani


use 12 bit counter like 4040 or 4060


List of 14 messages in thread
TopicAuthorDate
resistor network            01/01/70 00:00      
   please clarify            01/01/70 00:00      
      re please clarify            01/01/70 00:00      
         Audio?            01/01/70 00:00      
            nope audio            01/01/70 00:00      
               then go binary            01/01/70 00:00      
                  re go binary            01/01/70 00:00      
         Buy a digital pot?            01/01/70 00:00      
         Many different digital pots            01/01/70 00:00      
   Weighted Resistance for D/A Converter?            01/01/70 00:00      
      Even R-2R will do..            01/01/70 00:00      
      Even R-2R will do..            01/01/70 00:00      
   No way            01/01/70 00:00      
   reply            01/01/70 00:00      

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