// High Pass filter model based on -3dB frequency definition
// Author: A. Sidun
// Source: AnalogHub.ie

`include "constants.vams"
`include "disciplines.vams"

module HPF(in, out);
electrical in, out;
parameter real Cutoff_frequency = 10k;      // -3dB frequency

analog begin
 V(out) <+ laplace_nd(V(in),{0, 1},{2*`M_PI*Cutoff_frequency, 1});
    end
endcase
end
endmodule