Faulty cable harness or cable between test equipment? Also I just went through a set of duplexers that the solder joints on the coupling loops were completely shot.
On Thu, Jan 28, 2010 at 4:37 PM, tahrens301 <[email protected]> wrote: > Well, I thought this thing was tuned up, > but obviously something is wrong. > > These are a set of the 2x2x4" cavities... > have a plunger in the front, and a variable > cap adjustment on the back. Also, a pair of > BNC connectors on the capacitor side. > > The plate says Duplexer Vari-Notch, > 147-174 > > It also implies that the TX has a 1.5dB > insertion loss, but darned if I can get > only about 4.5. > > I've talked to the guys at TX/RX, and they > are looking for a book on them, but nothing > yet. > > Anybody have any tuning instructions/info on > them? > > The plunger is marked 'pass low', and the cap > is reject high. Pretty much self explanatory, > and they tune ok, but the insertion loss is > higher than it appears it should be. > > Thanks, > > Tim > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
