On Mon, 22 Feb 2010, IM Ashford wrote: > These filters are constant impedance designs so the transmitters > unwanted sideband power gets dumped into a load on the Hybrid port. > This also helps with group delay at edges of the filtered response. > > ... cant see why a ham would make a filter with twice as many cavities than > needed, just to keep SWR low out of band..
Perfectly matching your noise and reflected power to a dummy load, minimizing mixing and out of band signals. -- Kris Kirby, KE4AHR Disinformation Analyst
