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???
04/15/07 16:56
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 		 #137292 - more details needed
Responding to: ???'s previous message
without more details on the "junk" received, the actual components and schematic and software, there is little that can be said about the problem.

it can be RF interference from other transmitters.
it can be a problem with the hardware
it can be a software issue
it can be just about anything....

You will need to narrow down the problem, by testing/verifying each component.


regards

Patrick

List of 41 messages in thread
TopicAuthorDate
rf transmitter /receiver            01/01/70 00:00      
   more details needed            01/01/70 00:00      
      rf module            01/01/70 00:00      
         Datasheet!!            01/01/70 00:00      
         to Sunish Nair ...            01/01/70 00:00      
            rf module            01/01/70 00:00      
               the published sheet is hardly a datasheet!            01/01/70 00:00      
                  No such thing as a free lunch...            01/01/70 00:00      
                     this is paticulary true of Taiwanese products            01/01/70 00:00      
                        Experts only?            01/01/70 00:00      
                           I seriously doubt that ...            01/01/70 00:00      
                     a common problem            01/01/70 00:00      
                  details            01/01/70 00:00      
                     cheap is sometimes expensive            01/01/70 00:00      
                        But how can you tell?            01/01/70 00:00      
                           you can't            01/01/70 00:00      
                        rf            01/01/70 00:00      
                           do not go in blindly            01/01/70 00:00      
                           Development vs production cost            01/01/70 00:00      
                     RS India?            01/01/70 00:00      
               I use these modules            01/01/70 00:00      
                  now I'm confoosed what is 'if'            01/01/70 00:00      
                     IF = intermediate frequency            01/01/70 00:00      
                        Superhet            01/01/70 00:00      
                     Please show me what confuses you            01/01/70 00:00      
                        just how is IR relevant to this thread?            01/01/70 00:00      
                           He said            01/01/70 00:00      
                        bad eyes, need new glasses            01/01/70 00:00      
                           How about these?            01/01/70 00:00      
                  CRC: picky, picky            01/01/70 00:00      
                     I know            01/01/70 00:00      
   Study the Requirements of the RF Pair            01/01/70 00:00      
      Consider the ethernet packet structure            01/01/70 00:00      
   Rx unable to drive 89c2051            01/01/70 00:00      
      ...and the rest            01/01/70 00:00      
         if you 'own' both ends            01/01/70 00:00      
   Check Serial Data format            01/01/70 00:00      
      somthing to rf            01/01/70 00:00      
   sorry - ignore this post            01/01/70 00:00      
   ASK is frequency distrub by noise.            01/01/70 00:00      
      Shouldn\'t the ones he already has work?            01/01/70 00:00      

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