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???
07/31/06 18:26
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 		 #121432 - Fast clock signals
Responding to: ???'s previous message
Richard said:
Sometimes a dedicated GND layer for part of the circuit is better than sharing the common.

Yes, exactly, when unsane ground return currents can erode the ground potential! Often, very fast clock signals and such stuff get their own ground plane!

Kai

List of 25 messages in thread
TopicAuthorDate
Decoupling Capacitors            01/01/70 00:00      
   Paralleling...            01/01/70 00:00      
      Well have a look at the design            01/01/70 00:00      
         I will...            01/01/70 00:00      
            No layout available at the moment            01/01/70 00:00      
               May I ask why you don't follow the reference?            01/01/70 00:00      
                  Because            01/01/70 00:00      
                     No relevant difference, I think            01/01/70 00:00      
                        I do not think so            01/01/70 00:00      
                        try one poured layer for each supply            01/01/70 00:00      
                           Exactly!            01/01/70 00:00      
                              He will need multiple layers anyway            01/01/70 00:00      
                                 Fast clock signals            01/01/70 00:00      
                                 Multiple layers is no joke            01/01/70 00:00      
                                    That's a problem, all right ...            01/01/70 00:00      
                                       Same song second verse            01/01/70 00:00      
                                          Miker, it sounds as if you need to buy a book by D            01/01/70 00:00      
                                          Discontinuities and other mess            01/01/70 00:00      
                                    I wouldn't do that            01/01/70 00:00      
                     This stuff basically hasn't changed in 30 years            01/01/70 00:00      
      I never used individual ferrites ..            01/01/70 00:00      
         You WILL in mixed circuits...            01/01/70 00:00      
   never seen that, but have seen the opposite            01/01/70 00:00      
      Maybe somewhere in between will work            01/01/70 00:00      
   No longer interested, Mike??            01/01/70 00:00      

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