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How to implement this equation in VerilogA

princemahmmod over 15 years ago

Hi,

Anyone can you please help me how to write module the following equation in verilogA???

y = x/ (a * exp(-0.5 *((x-b)/c)^2)) +d

Quek over 15 years ago

Hi princemahmmod

Would you please start a new thread for your question? By the way, there is a verilogA manual here:

$MMSIMHOME/doc/veriaref/veriaref.pdf

Best regards
Quek
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Andrew Beckett over 15 years ago
I split this into a new thread. I agree with Quek, it doesn't make sense to mix different subjects in the same thread - it makes it much harder to follow.
Here's an example:

`include "disciplines.vams"

module equation(y,x);
output y;
input x;
electrical x,y;

parameter real a=1.0;
parameter real b=1.0;
parameter real c=1.0;
parameter real d=1.0;

analog begin
V(y) <+ V(x)/(a*exp(-0.5*pow((V(x)-b)/c,2)))+d;
end

endmodule
Note that the parameter values I just made up - I was primarily ensuring the syntax was correct.
Regards,
Andrew.
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Andrew Beckett over 15 years ago

I also posted this in response to your question on the Designer's Guide forums.
Regards,
Andrew.
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Andrew Beckett over 15 years ago

I will split this off into a new thread when I get into the office. In general, it's best not to clutter existing threads with new topics.

Regards,

Andrew
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