Thanks for that Skipp....I accept your opinions but in that case why do some manufactures silver plate the insides and some don't?
Cheers Dave UZN --- In [email protected], "skipp025" <skipp...@...> wrote: > > > > > "Dave" <dave_g7uzn@> wrote: > > Hi All, I have rescently obtained a uhf pair of cavities > > that are not silver plated inside (bare copper) They both > > have an insertion loss of 3dB.... > > In this example the 3dB insertion loss is not is not > affected (to any significant value) by the lack of silver > plating. > > > If I were to get them silver plated what would the > > improvement be? > > The person/business you pay to complete the plating has an > improved income. > > > I have no idea how much it would cost but if the saving > > was only about 0.5dB I wouldn't bother. > > Don't bother... > > > Your thoughts please? > > I try not to have any... > > > Cheers Dave UZN > > Never watched the show and I believe it was on the UPN out here. > :-) > > On a more serious note... you might look around for pictures > and descriptions of the very famous Motorola T-1500 series of > cavities often made into various combination of duplexer > assemblies. They are not plated and they work very well. The > insertion loss is set by the probe type and position. > > s. >
