Oh Cool - an EL34 transmitter circuit. Jim, you may want tio compare note swith SV1DAF as he is doing this sort of thing in Greece.
See: http://www.af4k.com/sv1daf.htm Merry Holidays - Brian, AF4K On 22 Dec 2004 at 20:22, Jim candela wrote: > > Ed, > > My recent EL-34 project runs linear AM with a single tube biased and > driven for AB2. With a resonant tank circuit on the plate you don't have to > run class A for single ended class linear amplifier. You are correct for > most audio circuits however. > > Regards, > Jim WD5JKO > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Edward B Richards > Sent: Wednesday, December 22, 2004 8:07 PM > To: [email protected] > Subject: Re: [AMRadio] Lowest level modulation > > > I would not modulate the oscillator, Steve. You would probably get more > FM than AM. Low level means the early stages of a transmitter. You should > have a buffer stage between the osc and the mod to prevent pulling the > osc during modulation. All stages after the modulator have to be linear. > That means class A for a single tube or class AB or B for push-pull > stages. > > 73, Ed Richards K6UUZ > > -- > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.296 / Virus Database: 265.6.4 - Release Date: 12/22/2004 > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected]

