I think he's talking of the input to the modulator tubes in 20 watts to Class B 813s with control grid and screen grid tied together.
But I may have missed something. John, WA5BXO -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rick Brashear Sent: Tuesday, March 28, 2006 2:48 PM To: Discussion of AM Radio Subject: Re: [AMRadio] HB Xmtr, was: Home Brew AM Transmitter Wanted Hi Larry, Sorry, I assumed it used plate modulation, but that's what I get for assuming. I'll check on that transformer when I'm over there tomorrow. Good luck with the transmitter, it sounds like a winner. 73, Rick/K5IZ Larry Keith wrote: >Hi Rick, > >No, I got it right.. The audio (20 watts) is fed to >to the screen grid & control grid (tied together)via a >transformer (don't know the specs on that guy, yet) >with one side of the xfmr going to one tube and the >other side to the other tube.. > >Keep me apprised on that modulation xfmr.. > >Tnx &73, > >Larry >KQ4BY > >--- Rick Brashear <[EMAIL PROTECTED]> wrote: > > > >>Larry, >> >>Did you mean to type "200" watts of audio? I have a >>couple of >>modulation transformers, but I'm not sure of the >>ratios, I'll look. >>Both are well capable of 300 watts. >> >>Regards, >>Rick/K5IZ >> >> >> > > ______________________________________________________________ AMRadio mailing list Home: http://mailman.qth.net/mailman/listinfo/amradio Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] AMfone Website: http://www.amfone.net AM List Admin: Brian Sherrod/w5ami, Paul Courson/wa3vjb

