I'm using LTSPice XVII. I'm trying to set a resistor to every node, helping convergence.

This is not recognized (spell?)

.options rshunt = 1e12

however, capacitor is working

.options cshunt = 1e-13

Thank you in advance,

  • 1
    \$\begingroup\$ don't you mean gshunt? \$\endgroup\$ – PlasmaHH Feb 23 '17 at 10:51
  • \$\begingroup\$ well... with gshunt=1E16 the circuit stay at zero voltage. I have a opamp so probably will hurt internally :) \$\endgroup\$ – orfruit Feb 23 '17 at 11:05
  • \$\begingroup\$ but I think you're right, thank you! \$\endgroup\$ – orfruit Feb 23 '17 at 11:06
  • \$\begingroup\$ Hmm my update never upgraded it to XVII, thanks for giving me the version info :) \$\endgroup\$ – Arsenal Feb 23 '17 at 14:33
  • \$\begingroup\$ I know LTspice's help is not very user friendly, even if it does convey the message, but sometimes I find it very difficult to not downvote for the sheer lazyness. In this case, it was as simple as finding LTspice > Dot command > .option. Didn't downvote, but it sure didn't deserve the +1. \$\endgroup\$ – a concerned citizen Apr 10 '18 at 14:36

You need to use 1e-16. It appears that gshunt is a conductance value and not a resistance value. I later found I did not need the parameter as I had mistakes in my schematic where I an inductor connected to the wrong point and I didn't have them coupled as a transformer.


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