Output

Q: How can I reduce the size of output files?

A: By adding .OPTION PROBE to the netlist, only those nodes explicitly referenced with .PROBE, .PRINT, .PLOT, or .GRAPH have output values displayed in one of the output files.

Solution: 43

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Q: The output of my simulation is not what I expected at all. Also, the solution shows instability or extreme sensitivity to parameter or conductance values.

A: Try .OPTION PIVOT=1 (or .OPTION PIVOT=11). The default pivoting algorithm in Star-Hspice does not pick a pivot element. This can lead to instability when there are large conduction ratios (typically when small conductances exist).

Solution: 135

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Q: I would like .GRAPH to only write to a file, and not send the job to the printer automatically.

A: You can accomplish this by editing your $installdir/meta.cfg. Comment out all the blocks that refer to "PLOTSETUP" and "PRTDEFAULT." Then enter:

PRTDEFAULT = PS

PLOTSETUP PS PSCRIPT

PLOTFILE = /tmp/hspice.ps

END

Solution: 138

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Q: Can I use more than one interface option in my netlist (and how does this affect my output)?

A: See this solution in Netlist/Options.

Solution: 208

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Q: Can PRINTDATA in PETL only have the YES and NO option? When I set PRINTDATA=YES, it did not create RLGC file.

A: If RLGCFILE is specified, it prints to that file; otherwise, it prints to the standard error output, which can be redirected with the standard output using >& in UNIX. Please make sure to specify .PRINTDATA=YES in .FSOPTIONS and RLGCFILE in .MODEL cards.

Solution: 390

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