On Feb 21, 2011, at 11:23 AM, darko wrote: > Hello. > I'm relatively new to geda but how to make a spice simulation of attached schema with ng spice I'm getting error on first step and that is generating net list for the spice simulator i tried with > > :~$ gnetlist [OPTIONS] -g spice-sdb filename "[OPTIONS]" shouldn't be in the command literally: it represents optional arguments you might provide. And "filename" represents *your* files's name. So what I used was: gnetlist -o HIPAS.cir -g spice-sdb HIPAS.sch > > but it tels me that spice sdb is some kind of error and I get empty netlist > > Can some one correct my schematics and add what I need to get on pin 7 output frequency(simulation) Other problems: You are using pinlabel= attributes incorrectly. They identify individual pins in the symbol. They should not be attached to a component at schematic level. In this case, they may simply be deleted from your schematic: they serve no purpose. The out-1 symbol is for hierarchical netlisting of printed circuit board designs, not for SPICE simulation. It doesn't work the way you are trying to use it. I removed it and attached the netname "out" to your output net. Now: ngspice HIPAS.cir ac dec 10 1k 1g plot out Shows a nice hipass response.
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John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ jpd@xxxxxxxxx
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