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???
01/09/06 20:16
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#106919 - its an option
Responding to: ???'s previous message
Thank you dear Kai. It is an option to consider once my part of the design has come.
My friend is doing the analog part of the circuit while I have to do the digital and microcontroller part. Tomorrow we will test his circuit, once it is working I will take over and start my design.
I will let you know my decision once we finalized the design and did some tests to see the exact frequency requirements by us.
I tend not to use old circuits of the past, because when people designed it, they did not have wonderful things like FPGAs and CPLDs, but if 8253 CTC would do the job I might consider it.
Mahmood


List of 28 messages in thread
TopicAuthorDate
frequency generation            01/01/70 00:00      
   Use an NCO            01/01/70 00:00      
      Microcontroller emulates NCOs            01/01/70 00:00      
         Nice but...            01/01/70 00:00      
            we can think of something            01/01/70 00:00      
         nothing special            01/01/70 00:00      
   how about a PLL (Phase Locked Loop)            01/01/70 00:00      
      PLL            01/01/70 00:00      
         0 ?            01/01/70 00:00      
            Part no?            01/01/70 00:00      
               Clock speed            01/01/70 00:00      
            0 Hz Frequency            01/01/70 00:00      
               Differenece between...            01/01/70 00:00      
   If Max is 1 kHz, ...            01/01/70 00:00      
      more details            01/01/70 00:00      
         Difficult !            01/01/70 00:00      
   8253?            01/01/70 00:00      
      Mode 3            01/01/70 00:00      
         mode 3 again            01/01/70 00:00      
      Example            01/01/70 00:00      
         1MHz / 1001            01/01/70 00:00      
            Concretely...            01/01/70 00:00      
      Overview of functions            01/01/70 00:00      
      What do you think?            01/01/70 00:00      
         why not '52?            01/01/70 00:00      
            is it possible?            01/01/70 00:00      
         its an option            01/01/70 00:00      
   please i need to square wave osscillator            01/01/70 00:00      

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