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