Please stay on the list, guys, this is interesting stuff that I'm sure many would like to hear more of.
David G3UNA > Sorry for being slow to reply. > > Oh yes, a coil wound on a core made from "Ferrite" or "Powdered Iron" will > be a source of IMD products, the culprit being the core. The level of the > IMD products generated by a core depends on a number of factors, which we > could discuss "Off List" if you wish. > > While I understand Lyle's point concerning the AGC, I cannot shake my > suspicion that something in or near your antenna is behaving as a mixer, > and > is the source of IMD products. The problem with adding the DDS' signal by > coupling to the antenna is that you have no control over "unwanted" mixers > in the vicinity. To disprove (or confirm) my suspicion, my suggestion is > that you build a hybrid combiner, and use it to inject the BC and DDS > signals into the K3. > > 73, > > Geoff > GM4ESD > > > On Wednesday, November 24, 2010, at 7:59 AM, Ramiro Aceves wrote? > > >> Can the toroid inside the antenna T tunner >> be the culprit? Any ideas to test will be welcome. > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
