Jack Schmidling wrote: >To review the problem.....
>An 866 power supply requires a center tapped transformer. These are >hard to come by these days because all recent equipment is solid state >and use bridges which do not require center tapped transformers. >There is little reason to tie two low voltage xformers together because >a single high voltage one is probably less expensive and easier to come by. >I suggested doing it to simulate a CT xformer with readily available parts. >Anyway, I got my answer and thank all for it. >js Reply by Jim, WD5JKO: Hey Jack, it is possible to use your two 866's or 3B28's in the positive side of the full wave bridge rectifier(+ output), and semiconductor diodes for the other two legs of the bridge (- output). I did this years ago with good sucess on a AM KW rig I once constructed. You can also use four 866's in a full wave bridge, but that requires 3 filament transformers... Regards, Jim JKO -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.15.15/579 - Release Date: 12/7/2006 1:31 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]
