I have always tuned duplexers just using a signal generator and a radio receiver. Peaking the passband and then going for the deepest notch for the reject. Although this seems to work, the results haven't been spectacular. I realize that there are many variables to consider. My question is, does using a spectrum analyzer and a sweep generator ( I am guessing here) make the process better, and if it does, how so ie what is the principle behind it?
Thanks
Mike Smialowski
VE7SML
Smithers BC Canada








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