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???
06/21/06 07:50
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#118701 - Re:LDOs
Responding to: ???'s previous message
I build a proto with the recomandations mentioned in the previous posts.
Some measurements show that the DC/DC converter is suited for this kind of applications with the proper PCB design.
However : the number of components needed is somewhat beyond any practical.

9V in => 5V regulator => PI filter => DC/DC converter => 2 x PI filter => neg./pos. regulator => RLC combination at powerpins opamp.

But it can be done and that was one of the goals of this experiment.

Thanks all for your input and help,

Peter



List of 28 messages in thread
TopicAuthorDate
DC/DC converter for audio application            01/01/70 00:00      
   It can be done            01/01/70 00:00      
      Murata filter            01/01/70 00:00      
         is there a thing called a "Murata filter            01/01/70 00:00      
   Murata            01/01/70 00:00      
   People who can hear caps...            01/01/70 00:00      
   Caps, guitarplayers and DC/DC converters            01/01/70 00:00      
      Some hints...            01/01/70 00:00      
         Re : some hints            01/01/70 00:00      
            78L12, 79L12            01/01/70 00:00      
            LM317L and LM337L            01/01/70 00:00      
               He could add a choke...            01/01/70 00:00      
            LDOs            01/01/70 00:00      
               Re:LDOs            01/01/70 00:00      
                  Very helpful, though            01/01/70 00:00      
                     Re : Very helpful, though            01/01/70 00:00      
                        Pop-eliminator            01/01/70 00:00      
                           Re : Pop-eliminator            01/01/70 00:00      
                              Caps charging            01/01/70 00:00      
      9v batteries            01/01/70 00:00      
         Re : 9v batteries            01/01/70 00:00      
            Batteries which hum            01/01/70 00:00      
               Re : Batteries which hum            01/01/70 00:00      
                  Bridging the divide            01/01/70 00:00      
                     I remember            01/01/70 00:00      
                     Noisy batteries            01/01/70 00:00      
   Linear tech LT1533            01/01/70 00:00      
      Re : Linear LT1533            01/01/70 00:00      

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