I would try one or two bandpass cavities between the duplexer and the
receiver of the victim repeater. The symptom you describe is that of
poor selectivity and possibly receiver IM. A ferrite isolator on either
transmitter won't have much effect on signals that mix in the receiver
front end.
73, Eric Lemmon WB6FLY
Q wrote:
>
> Trying to troubleshoot an intermod??? problem between two repeaters. The
> 146.10/.70 repeater's receiver gets blasted by the 147.90/.30 transmitter
> but only when they are both transmitting. Yes,the transit freqs are 600khz
> apart and they are only 5 miles apart. Would a circulator help this problem?
> Also have similar problem between the 146.07/.67 and the 147.87/.27
> repeaters when they are both keyed up. Ideas?
>
>
> Yahoo! Groups Links
>
>
>
>
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