A transmitter like the DX-60 puts out about 12W of carrier in AM mode. It uses Controlled Carrier modulation and does not require a modulation transformer.
Bob Macklin K5MYJ Seattle, Wa. "Real Radios Glow In The Dark" ----- Original Message ----- From: "MUCHSTUFF" <[email protected]> To: "Discussion of AM Radio in the Amateur Service" <[email protected]> Sent: Friday, May 07, 2010 3:05 PM Subject: Re: [AMRadio] Modulator question. > Have you considered using a car audio amplifier in a cathode modulation? > If possible it could avoid finding another transformer that would stand > the > higher voltage and current in a plate arrangement. > I give this some thought every time I'm in my friends car audio store. > But, being one who always starts too much new stuff, I stop thinking about > it. > > Gene, WB6SZS > > > > ----- Original Message ----- > From: "RICHARD GEORGE" <[email protected]> > To: "amlist" <[email protected]> > Sent: Friday, May 07, 2010 12:34 PM > Subject: [AMRadio] Modulator question. > > >>I have over the years built several low power AM transmitters. I would >>like >>to build something a little bigger say in the 400-500 watt plate >>modulated. >>I have been kicking around the idea of using one of the solid state >>amplifiers made for car audio driving a reverse connected audio >>transformer. I have seen these audio output transformers available in the >>200 watt range. I understand that the RF output stage would have to be >>designed to fit the impedence of the output transformer. Does this sound >>like it could be done? >> >> K6KWQ Dick >> Amps by "MORE POWER" >> ______________________________________________________________ >> Our Main Website: http://www.amfone.net >> AMRadio mailing list >> Searchable Archives: http://www.mail-archive.com/[email protected]/ >> List Rules (must read!): http://w5ami.net/amradiofaq.html >> List Home: http://mailman.qth.net/mailman/listinfo/amradio >> Post: [email protected] >> To unsubscribe, send an email to [email protected] with >> the word unsubscribe in the message body. >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > Our Main Website: http://www.amfone.net > AMRadio mailing list > Searchable Archives: http://www.mail-archive.com/[email protected]/ > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Post: [email protected] > To unsubscribe, send an email to [email protected] with > the word unsubscribe in the message body. > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/[email protected]/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: [email protected] To unsubscribe, send an email to [email protected] with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

