Every time I had this problem it turned out to be discriminator noise somehow coupling into the CG HI input (assuming you have a duplexed radio). Troubleshooting was easy: put a full quieting signal into the RX & see if it goes away.
A 0.1 uF to ground on CG HI took care of it. Bob NO6B At 5/27/2008 13:43, you wrote: >Put a 100K from mic high to ground and see if that eliminates it. > >Chuck >WB2EDV > >----- Original Message ----- >From: <<mailto:tsoliver%40tir.com>[EMAIL PROTECTED]> >To: "Repeater-Builder" ><<mailto:Repeater-Builder%40yahoogroups.com>Repeater-Builder@yahoogroups.com> >Sent: Tuesday, May 27, 2008 4:27 PM >Subject: [Repeater-Builder] Mastr II white noise on transmit > > > Fired my UHF Mastr II up again and noticed excessive white noise (I think) > > in the transmit audio even on a dead carier. It is the phase modulated > > exciter tuned down in the 442 range. Is this just the nature of the > > beast? > > > > > > tom n8ies
