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I have designed a circuit where I want to give a pulse of very short duration using a switch. How can I implement it in spice.

  • Do you want to use a switch? Why not use a pulse voltage source? Also have a look at this question: https://electronics.stackexchange.com/questions/372278/spdt-in-ltspice – Puffafish Jul 31 '19 at 09:39
  • Check the use of the time dependent resistor in my answer in [How to simulate simple on/off, Single-Pole-Single-Throw switch?](https://electronics.stackexchange.com/a/450292/200815). It's my favourite way of implementing switches. – Huisman Jul 31 '19 at 09:54
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    There is the ".Sxxx" component. – analogsystemsrf Jul 31 '19 at 14:53

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