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???
04/10/07 09:34
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#136895 - It's not the crystal
Responding to: ???'s previous message
A crystal oscillator produces a single unmodulated frequency (with harmonics admittedly), not noise. It's the other lines that need attention.

"Listening" to your circuit can be informative, as you can often hear the tick of periodic interrupts.

List of 12 messages in thread
TopicAuthorDate
my board creates white noise.            01/01/70 00:00      
   Everything is a source of noise...            01/01/70 00:00      
      Me too.            01/01/70 00:00      
   It is normal            01/01/70 00:00      
      Don't add resistors to the crystal            01/01/70 00:00      
   RF-emission spectrum was discussed earlier...            01/01/70 00:00      
   It's not the crystal            01/01/70 00:00      
      what other lines?            01/01/70 00:00      
         any            01/01/70 00:00      
            AM carriers            01/01/70 00:00      
         All other lines            01/01/70 00:00      
            one of the reasons for internal memory            01/01/70 00:00      

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