If this is a single cavity, i.e. NOT a duplexer, then I would expect 0.5 to 1.0dB loss, especially if you can't adjust/rotate the coupling loops. This is also after taking into account any cable and connector losses.
Bob M. ====== --- Ralph Mowery <[EMAIL PROTECTED]> wrote: > > > --- Jamey Wright <[EMAIL PROTECTED]> wrote: > > > > > I just got through tuning up a Phelps Dodge VHF > > bandpass cavity. The > > measured loss through this thing is 3.2 db. I am > > generating at -10 dbm. > > The level measured on the output is -13.2 dbm. It > > is a Phelps Dodge VHF > > bandpass cavity but I can't find a model number on > > it. Is this amount of > > loss normal? > > > > Thanks in advance. > > > > Jamey Wright > > KD4SIY > > > > > It seems high by about 1 db or so. That is unless > it > has the high selectivity option, then it is about > right for the 6 cavity filter (3 on each side). __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
