WA3JVJ bought 3 or 4 cvm5 mod transformers, and gave me one. Out of the 4, he happened to give me one that is totally quiet all the time, dc through it or not...
Brett N2DTS > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Donald Chester > Sent: Tuesday, November 25, 2003 6:49 PM > To: [email protected] > Subject: RE: [AMRadio] Re: Modulation transformer ID and repair > > > > > >I cant say removing the current from the cvm5 seemed to help > the sound > >of the rig much. > > > > I tried it with an older version, the VM-5. It didn't > radically affect the > sound of the rig over the air, but with the DC thru the > winding, it talked > back like a speaker in the transmitter cabinet. I couldn't > crack up the > audio without accoustical feedback. With the reactor, the > VM-5 was quiet > as a mouse, and the waveform at low audio frequencies (< > 100~) looked more > symmetrical on the scope. I haven't run DC through a > modulation transformer > secondary since about 1963. > > _________________________________________________________________ > Need a shot of Hank Williams or Patsy Cline? The classic > country stars are > always singing on MSN Radio Plus. Try one month free! > http://join.msn.com/?page=offers/premiumradio > > _______________________________________________ > AMRadio mailing list > [email protected] > http://mailman.qth.net/mailman/listinfo/amradio
