Before revision: Equivalently, every transmission pole, sp in the s-domain left half-plane must have a matching zero, sz in the right half-plane such that sp=−sz.Chaloupka & Kolesov, p. 233 A third parameter is set by choosing a resonant frequency, this is set to (at least) the maximum frequency the network is required to operate at.
After revision: These areandEquivalently, every transmission pole, sp in the s-domain left half-plane must have a matching zero, sz in the right half-plane such that sp=−sz.Chaloupka & Kolesov, p. 233 A third parameter is set by choosing a resonant frequency, this is set to (at least) the maximum frequency the network is required to operate at.