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???
05/01/06 12:54
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 		 #115288 - the situation is like this
Responding to: ???'s previous message
We had the vehicle originally with isolated body. It has been working for too long, we had to contract a company to redo the electrical system, they did a great job except that they made the body connected to GND. I don't have a solid background to either accept their work or reject it.
What would you do if you were in my shoe?.
Mahmood

List of 50 messages in thread
TopicAuthorDate
Ground noise question            01/01/70 00:00      
   Chassis ground            01/01/70 00:00      
      measure what?            01/01/70 00:00      
   Shielding            01/01/70 00:00      
   I think mutual ground will be better            01/01/70 00:00      
   Ground noise            01/01/70 00:00      
      I'm with you.            01/01/70 00:00      
         the situation is like this            01/01/70 00:00      
            Try this            01/01/70 00:00      
               Disconnecting of battery while welding            01/01/70 00:00      
      Cures...            01/01/70 00:00      
         Shielding            01/01/70 00:00      
            Old tradition            01/01/70 00:00      
               New traditionalists            01/01/70 00:00      
                  What I want to tell...            01/01/70 00:00      
   Chassis connection makes sense            01/01/70 00:00      
      Not convineced!            01/01/70 00:00      
         Consultants ?            01/01/70 00:00      
            mmm            01/01/70 00:00      
         I don't know much about your application            01/01/70 00:00      
            I think this one has been missed            01/01/70 00:00      
               Differential, symmetrical...            01/01/70 00:00      
               Brilliant!            01/01/70 00:00      
               What about current loop?            01/01/70 00:00      
                  Concept            01/01/70 00:00      
                     Injecting signal into gnd            01/01/70 00:00      
                        Insufficient common mode rejection.            01/01/70 00:00      
                           Go differential            01/01/70 00:00      
                        That's why...            01/01/70 00:00      
                           in other words            01/01/70 00:00      
                              Split ground            01/01/70 00:00      
                           So, how do you maintain a "clean" GND?            01/01/70 00:00      
                              There's no golden rule!            01/01/70 00:00      
                                 back to the future            01/01/70 00:00      
                                    make you happy!            01/01/70 00:00      
                                       write a c code in keil 2 operate e timer            01/01/70 00:00      
                                          Err ?            01/01/70 00:00      
                                             so sorry...            01/01/70 00:00      
                                          what is Keil 2?            01/01/70 00:00      
                                             Trying SMS style?            01/01/70 00:00      
                                                naah, just early morning, fingers stiff            01/01/70 00:00      
                                 More thought            01/01/70 00:00      
                                    Crazy            01/01/70 00:00      
                                       Yes thank you            01/01/70 00:00      
                                    Eh??            01/01/70 00:00      
                                    Common mode noise of DC/DC-converters            01/01/70 00:00      
                                       why use isolated converters?            01/01/70 00:00      
                                          Exactly!            01/01/70 00:00      
                                             air craft chassis            01/01/70 00:00      
                                                Faraday cage ?            01/01/70 00:00      

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