VC_SW_SPST.spice
* VC_SW_SPST
* Created by Dipesh Manandhar on 05/09/2020
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* parameters:
* 1 & 2 switch makes connection between two nodes
* 3 & 4 controlling voltage applied (3+, 4-)
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.SUBCKT VC_SW_SPST 1 2 3 4
  * switch on- and off resistances
  .PARAM ron=1m roff=1G
  * voltage controlled switch with threshold 0.5V
  s1 1 2 3 4 vcsw OFF
  .MODEL vcsw SW vt=0.5 vh=0 ron='ron' roff='roff'
.ENDS VC_SW_SPST