biquad.flw

An analysis tool for both continuous- and discrete-time control systems. -Includes a parameter so

* Biquad filter
in 1 g3
1 2 H1
2 3 H2
2 1 g1
3 1 g4
3 1 s*c4
.pre syms s g3 c1 a g4 g1 c4
.pre H1=-1/(s*c1);
.pre H2=a/s;
.tf in 3