That is, the principles of the present invention enable {HEAD ~ a circuit designer} to begin with a desired filtering circuit having the general configuration shown in FIG 1 , and convert {TAIL ~ that circuit} into an improved, equivalent circuit having the configuration shown in FIG 2  
to convert
That is , the principles of the present invention enable { HEAD ~ a circuit designer } to begin with a desired filtering circuit having the general configuration shown in FIG 1 , and convert { TAIL ~ that circuit } into an improved , equivalent circuit having the configuration shown in FIG 2
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH