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???
04/01/12 15:00
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 		 #186967 - cable, bought off the shelf
Responding to: ???'s previous message
Raj Nambiar said:
Prolific chip based serial to USB converter PCB and moulded cable, bought off the shelf, are working fine in the same situation.

What if you use an off-the-shelf FTDI cable?

That would show whether it's an inherent FTDI issue, or an issue with your particular implementation...


List of 36 messages in thread
TopicAuthorDate
FTDI F232RL Noise issues            01/01/70 00:00      
   GND,cables            01/01/70 00:00      
      of this is it, then            01/01/70 00:00      
   leakage effects..            01/01/70 00:00      
      Thanks for the comments..            01/01/70 00:00      
         changing the serial port data....            01/01/70 00:00      
         cable, bought off the shelf            01/01/70 00:00      
            Test standard solutions            01/01/70 00:00      
               Options..            01/01/70 00:00      
                  VCP /D2X            01/01/70 00:00      
                     Problem exists with both drivers            01/01/70 00:00      
                  Aten serial to USB cable uses a FTDI chip            01/01/70 00:00      
   FTDI chip ESD sensitivity            01/01/70 00:00      
      Thanks Oliver...            01/01/70 00:00      
         Zeners are slow            01/01/70 00:00      
         show Your circuit            01/01/70 00:00      
            F232 is USB powered but.. + circuit            01/01/70 00:00      
         USB Isolator Chips            01/01/70 00:00      
            Isolators            01/01/70 00:00      
         Better than zeners            01/01/70 00:00      
            just a thought            01/01/70 00:00      
               Layout            01/01/70 00:00      
                  VCP/Direct drivers            01/01/70 00:00      
                  Layout attached            01/01/70 00:00      
                     It's a high speed circuit !!!!            01/01/70 00:00      
                        Totally 100% Agreed            01/01/70 00:00      
                           the trouble with schematics ....            01/01/70 00:00      
                              Bandwidth limitation            01/01/70 00:00      
   22 ohms between serial port ground and FT232 ground helps...            01/01/70 00:00      
      of course it does            01/01/70 00:00      
         Erik,            01/01/70 00:00      
            Links please            01/01/70 00:00      
               Link...            01/01/70 00:00      
                  Solved            01/01/70 00:00      
                     Magnetics            01/01/70 00:00      
                        Ethernet input is connected to serial port ground            01/01/70 00:00      

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