Dear all,

I started learning Verilog-A some months ago for a specific objective. I have programmed the 90% of a system formed by different devices, but there’s a punctual device that I can’t solve.

I want to program a 2-port passive device. For example, if the impedance of an inductor is Ls, and of a capacitor 1/Cs, the impedance of this dispositive should be as follows: Z = 1/(As)^3. Where A is a constant like C or L.

I have tried several verilog-A codes, but no one has worked. I suppose that this is related to my inexperience in the verilog-A programming. I will appreciate any tip or solution for this problem.

Thanks in advance.

I want to program in verilog-a this device since is not possible to obtain that impedance by combination of capacitors and inductors. The temporal response of this device should be as follows:

V=1/A · (∫Idt)³

or

I=d/dt (V*A)^1/3

I have tried this code:

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module nonlin(p,n);

inout p,n;
electrical p,n;

parameter real A=1;

analog

I(p,n)<+ddt(pow((V(p,n)*A),(1/3)));

endmodule

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The programmed device is not working properly. Is there another way to program it?

*I'm Sorry Ken. The term "punctual" has been a translation error. (English is not my first language)