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EEVblog #801 – How To Design A Digital Clock

EEVblog #801 – How To Design A Digital Clock

The next step for Ahmed Mohamed How to design your own digital clock from 4000 ...

  • Icke

    Hey Dave!
    When you analyze a circuit like that without time dependence, would you not normally do a DC-Sweep? And for the oscillator I would use a periodic steady state simulation (if you are not interested in the startup), not sure if LTspice can do that.
    This way you can save a lot of simulation time and you have nice graphs drawn over one of the parameters.

  • Richard

    Hi Dave – A very interesting tutorial! Would you do one of your videos on Bode plots and phase margin? It would be handy to be able to use LT Spice to investigate the stability of an Op Amp circuit.

  • http://EmbeddedDreams.com Njay

    Looking forward to the day Linear open sources LTSpice :)!

  • phunkz

    Hi Dave,
    very nice tutorial. Thanks for the idea.

    i think in real applications is the problem to get a full and complete lt-spice model of each part – incl. the temperature.

    Could be a nice tutorial: how to get a exact model from scratch – out of the datasheet – for non trivial parts.


  • http://www.evospice.site88.net/evospice/evospice.html Sean O’Connor

    There are a couple of numerical optimizers available for LTSpice.
    1/ ASCO
    2/ EvoSpice – http://www.evospice.site88.net/evospice/evospice.html

    They automatically adjust component values to try to minimise or maximise some aspect of a circuits behaviour.