I have a Phelps Dodge 506-1 four cavity duplexer. Just recently picked up two additional cavities from someone who was parting out his duplexer... all cavities are BP/BR... Would like to add these to the duplexer to get additional isolation. The original duplexer is spec'd at 80 dB isolation... What do you think I can get with the two additional cans? I realize the insertion loss will be higher.. Any idea how much? The cabling between the cans is still 1/4 wavelength in coax, right?? since I will have to add some cabling...I have seen some discussion in the duplexer info on the site about maybe using a diffrent length cable when adding more cavities... Can anyone comment on all this?
Dave WB2FTX
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