Before revision: A low pass prototype constant k Π filter __TOC__ Low-pass prototype The prototype is most often a low-pass filter with a 3 dB corner frequency of angular frequency ωc' = 1 rad/s.
After revision: (pi)A low pass prototype constant k Π filter __TOC__ Low-pass prototype The prototype is most often a low-pass filter with a 3 dB corner frequency of angular frequency ωc' = 1 rad/s.