Verilog-A issue

Discussion in 'Cadence' started by Samiran, Sep 21, 2010.

  1. Samiran

    Samiran Guest

    Dear all,

    I am getting an error while compiling the following piece of code:

    V(vout) <+ laplace_zp(gain*vin_val, {zero,0}, {-pole_1,0,-pole_2,0});

    The error is:

    Error found by spectre during AHDL compile.
    ERROR (VACOMP-1166): "V(vout) <+ laplace_zp(gain*vin_val, {zero,
    0},
    {-pole_1,0,-pole_2,0})<<--? ;"
    "/home/samiran/my_lib/test/veriloga/veriloga.va",
    line 60: Argument #3 must be an array variable or a constant
    array
    expression. It cannot be an array expression containing non-
    constant
    expressions. If you need the argument to be variable, use an
    array
    variable instead.


    Please help!

    BR
    Samiran
     
    Samiran, Sep 21, 2010
    #1
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  2. Samiran wrote, on 09/21/10 13:01:
    Samiran,

    You have to do what it says. Create an array variable and populate that with the
    coefficients you want, and then pass the array to the laplace_zp function.

    If you want to see an example, look in rfLib, in BB_chebyshev_lp_laplace
    veriloga view.

    Regards,

    Andrew.
     
    Andrew Beckett, Sep 26, 2010
    #2
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