Malherbe, J.A.G., 1940-; Luus, Pierre D.; Uys, Johan C.
(Wiley, 2013-08)
Conventional wideband bandstop filters use Cauer prototypes, but become nonrealizable with Kuroda–Levy transforms for bandwidths of 150% or more. Transmission line filters with harmonic stubs have been shown to be realizable ...