On 7/30/2010 10:15 AM, Kevin Custer wrote: > > > Tim wrote: > > Hi Kevin, > > > > Thanks for the info. I've used the PLL MastrII exciter on a couple of > > systems also. > > > > Now, since this duplexer is of the 'notch' variety, I already have about > > 100db of notch (on the TX side) that is tuned to the RX freq. Shouldn't > > this be enough? > > Yes, 100 dB of duplexer isolation should be plenty - something is > obviously a amiss. How dirty is the transmitter (spectral purity)? > I'd also look for other signal paths, leaky jumpers, ground loops, poor shielding...
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