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  1. M

    Time Base and Crystal

    Of course, with the appropriate number of divide-by-n stages. The circuit shows only the clock generator to get an output of 1Hz. With a crystal at 16MHz, it can be considered a good clock generator (better than at 32768Hz) ?
  2. M

    Time Base and Crystal

    Many thanks AnalogKid. Is the following 16MHz Time Base circuit a valid proposal ? http://www.narcisivalter.it/progetti/oscillatori-HF-4060.html
  3. M

    Time Base and Crystal

    Based on what satted by AnalogKid, a Time Base with a "high frequency" crystal should be preferred to a Time Base circuit based on a 32768Hz crystal.
  4. M

    Time Base and Crystal

    Googling, i can find a lot of solution about a Time Base (i.e. 1Hz) crystal based: http://www.efymagonline.com/pdf/circuit-2.pdf http://www.electro-tech-online.com/atta ... png.42724/ http://circuit-labs.blogspot.it/2008/11 ... ebase.html The frequency of the crystal can by as low as 32768Hz or...
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