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???
12/08/05 06:11
Modified:
  12/08/05 06:22

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#104863 - SMD,RC
Responding to: ???'s previous message
resistor is needed only in cases where layout and quality of ferrite and capacitor come together to form an undesirable combination

You are right,I rememeber that It has been told that if i could use those SMD Murata filters i could completely forget about the resistor.

Erik , how do you manage to provide Analog Vcc for Analog side of your circuits? As i said in previous post(Circuit H) i have been using RC filters.But if Analog section includes a Op-Amp it could draw up to 10mA.Is it alright to use a RC filter here?

Farshid


List of 25 messages in thread
TopicAuthorDate
Vcc Line Filtering            01/01/70 00:00      
   what are the resistors across the ferrit            01/01/70 00:00      
   Some suggestions            01/01/70 00:00      
      RE : Some suggestions            01/01/70 00:00      
         I still would like to know            01/01/70 00:00      
         LC-filter versus regulator            01/01/70 00:00      
      Excellent            01/01/70 00:00      
         That's really good, i was thinking that            01/01/70 00:00      
            I have never used any such amd never had            01/01/70 00:00      
               Filter position            01/01/70 00:00      
                  voltage drop for a ferrite at milliamps            01/01/70 00:00      
                     Line regulation            01/01/70 00:00      
                        sorry, that was tongue in cheek, of cour            01/01/70 00:00      
                           my bad            01/01/70 00:00      
                              if anyone should be sorry, that would be            01/01/70 00:00      
                                 SMD,RC            01/01/70 00:00      
                                    do you remember the math in a previous p            01/01/70 00:00      
                                       Voltage Drop            01/01/70 00:00      
                                    Murata better than others? No...            01/01/70 00:00      
                  Paralleling is only a theoretical remedy            01/01/70 00:00      
                     my mistakes...            01/01/70 00:00      
                        How many filters...            01/01/70 00:00      
                           Tada!            01/01/70 00:00      
         Exactly            01/01/70 00:00      
      Thanks Kai            01/01/70 00:00      

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