On Mon, 18 Apr 2005 00:12:32 GMT, Drifter wrote:

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thanks to one and all for some great info.
i need to study on this. i found an old article
in the july/04, NASWA Journal. get my facts together
here, and move to there. would be fun to build when
i find the time. thanks again...
Drifter...


Now that the dust has settled a little bit and the belligerents are
hopefully being triaged.....

Please read the spec sheets on the prospective splitter you intend on
using or, if rolling your own, look at the design. Many splitters
claim to have "only" a 3 or 5 dB loss, but that's only "best case."
Often times, the loss will vary greatly across the operating range of
the splitter (and sometimes the impedance!). For HF and MF, the
losses are usually not too bad.

If you plan to use a preamplifier, PLEASE (!) use a low noise model.
Often times preamps will raise the noise floor by several dB, which
could wipe out some weak DX for you. Purchase (or build) the BEST
preampllifier that you can. It should be low noise, and the gain
should not be so high that it goes into oscillation (you really just
want to overcome the splitter losses). Some preamps will cause
trouble with the 3d order intercept points of your receiver by
overloading the front end. Every active component plays against
every other active component, so be mindful of your trade-offs and
gains.

Good luck!

Al in CNMI

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