That is really interesting. I wonder what he sets the "BIAS" voltage to? Interesting that it needs -200V for the negative swings....
There is not much information about the requirements for those two 120V AC transformers, but I imagine that they could be fairly small since they are only supplying bias voltage. Comments? 73.5 de AF4K, Bry > >From Jim W5JO: > > As an interesting sidelight to this, I read an article on > Ted/KC3OL's website some time back about modulating an SB > 200 directly.. As I recall it was written by Chuck/WA0ZHH. > > > Reply by Jim, JKO: > > I found the sight URL: > > http://www.kc3ol.dynip.com/downloads/wa0zhh.jpg > > JIM > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.432 / Virus Database: 268.15.15/581 - Release Date: 12/9/2006 > 3:41 PM > > ______________________________________________________________ > AMRadio mailing list > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > ______________________________________________________________ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected]
