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???
08/03/04 09:10
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Msg Score: +1
 +1 Informative		 #75315 - RE: How Good Is This Board Part 2.
Responding to: ???'s previous message
Kai wrote :

"But not only input to output capacitance of opto coupler itself is relevant, but also the stray capacitance between any signal applied to input pins and to output pins! And because of this, it's extremely important not having anything routed between input and output pins of an opto coupler!! "

My PCB designer has come up with an idea ( don't know if it is original but looks OK anyway ). He has designed the layout in such a fashion that all optos line up and there is a gap ( slot )of 2 to 3mm running underneath the optos isolating the input and output sides like this :



I do not know how effective or good this idea is. Thought will share it.

Raghu

List of 51 messages in thread
TopicAuthorDate
How Good Is This Board Part 2.            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
            8051 cross assembler            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
   Request regarding large images            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
            EMC            01/01/70 00:00      
               RE: EMC, Rob            01/01/70 00:00      
                  RE: EMC, Rob            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
                  Cross Discipline engineers - Prahlad            01/01/70 00:00      
                     RE: Cross Discipline engineers - Prahlad            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
                  RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
            RE: How Good Is This Board Part 2.            01/01/70 00:00      
               RE: How Good Is This Board Part 2.            01/01/70 00:00      
                  RE: How Good Is This Board Part 2.            01/01/70 00:00      
                     RE: How Good Is This Board Part 2.            01/01/70 00:00      
   RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
      RE: How Good Is This Board Part 2.            01/01/70 00:00      
         RE: How Good Is This Board Part 2.            01/01/70 00:00      
   How about this final version.            01/01/70 00:00      
      RE: How about this final version.            01/01/70 00:00      

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