•F(w) = Un(w) – the Jacobian
elliptic function
•S-Plane
–Poles approximately on an ellipse
–Zeros on the jw-axis
•Characteristics
–Separately controlled equiripple in the pass-band and
stop-band
–Sharper cutoff than Chebyshev (optimal transition
band)
–Non-linear phase (Group delay distortion) L