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Representing a toroidal coil on Capture

Albirea
Hello,

i'm quite a beginner using Capture, but i need to model a toroidal ferrite core coil to simulate it and compare the theoretical performances to the experimental measures i got from a hand-made coil. 
I found this application note and tried to reproduce the schematic:
http://www.orcad.com/documents/community.an/pspice/tn20.aspx
Unfortunately, for the "egeom" part, i thought it was a part like "Const" from the "ABM.olb" library, but when i run the simulation i obtain an error: 
V_XBF1_CONST1         XBF1_GEOM 0 DC {N}*{N}*(0.417+3.41*{LEN}*LOG10({OD}/
----------------------------------------$
ERROR -- Expecting keyword STIMULUS, saw *{N}*.

(XBF being the bobin part, N the number of turns, Len/OD/ID respectively the length, output and input diameters of the bead)

Could you help me finding out what part this "egeom" could be please?
It is for a school project in Italy, and i would really appreciate a hand on this.

Thanks with advance :)
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  • oldmouldy

    Try the "ABM" part from teh ABM.OLB, set the EXPR1 property to the required formula.

    Whatever you have in your circuit has resulted in some invalid combination of a Voltage source - line begins with "V" - and a sub-circuit - it looks like the statement should begin with "X" - this won't be appreciated by PSpice. Your correct implementation should result in a netlist line that begins "E..." for a voltage conreolled voltage source with expression values referenced from parameters (in this case).

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  • oldmouldy

    Try the "ABM" part from teh ABM.OLB, set the EXPR1 property to the required formula.

    Whatever you have in your circuit has resulted in some invalid combination of a Voltage source - line begins with "V" - and a sub-circuit - it looks like the statement should begin with "X" - this won't be appreciated by PSpice. Your correct implementation should result in a netlist line that begins "E..." for a voltage conreolled voltage source with expression values referenced from parameters (in this case).

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