Ron, I wonder if the "buzz" is audio pickup from hand coupling. I hear that a lot if I put my hand on the audio circuits of the KX1 (which I do for a test). Since the AF1 (and all mini-modules) are open board circuits, I assume that is within the realm of possibility.
73, Don W3FPR On 12/14/2010 10:01 PM, Ron D'Eau Claire wrote: > The "buzz" is interesting. With the tight bandpass, the sidetone (and > received signals) from the K3 should be closer to a pure sine wave than > ever. > > Ron AC7AC > > -----Original Message----- > Don, I don't have any of that fancy equipment unfortunately. But I just > met with success anyway! > > I was expecting to hear a "pure" sidetone - what I hear is a buzzing > sound along with some modulation that sounds reasonably close to the 600 > Hz I set. When I took my hand away from the AF1, the buzzing stopped > and the sidetone, still sounding just a little bit constricted in the > BP2 position (not nice and pure and loud like in the barefoot K2) was > completely reasonable and useable. > > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
