Steve,
I have not experimented with the effects of jumper length, since I usually order
a duplexer made for a specific repeater pair, and merely verify its operation
upon receipt. You might contact Sinclair Tech Support directly for answers, or
perhaps other list members can elaborate.
Were I doing this myself, I'd do exactly what you suggest, using silver-plated
connectors with gold-plated pins, while compensating for the differing velocity
factors between RG-214/U and RG-400/U.
73, Eric Lemmon WB6FLY
Steve Rodgers wrote:
> Eric,
>
> Thanks for the detailed response. The velocity factor is .66 for RG-214 vs.
> .695 for RG-400. So, if the length isn't supercritical, couldn't I just use 14
> inches tee center to tee center for my RG400 jumpers?
>
> What does the length of the cables between cavities affect in the duplexer
> system? I seem to vaguely recall it had an effect on the bandpass to band
> reject slope and the position of the notch (separation?) , but I'm not
> completely sure of this.
>
> Steve
> WA6ZFT
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