> [EMAIL PROTECTED] wrote: > I'm going to disagree here. Gary said he's only moving > 12.5 kHz, & I've never seen any coaxial resonator in common > use (that means VHFLB cavities being used @ UHF don't count) > that has enough Q that 12.5 kHz is going to make a > significant difference.
You've never taken a real close-in detailed look at the notch of a high quality UHF cavity..? A misaligned notch point 12.5 KHz off can be many dB of useful protection is misplaced. > I say don't bother having the duplexer retuned unless you > think it would need retuning without any frequency change. > Bob NO6B It's OK to disagree and its also OK to be detail orientated when you're trying to get the maximum possible performance. I vote the later... cheers, s.
