Pete, The "Tripp-Lite DB9" seems to be a good solution! No work necessary inside the K3. Will find a representative in Switzerland or do a direct order.
Thanks for valuable information! Best 73, Rudolf, HB9ARI Pete Smith wrote: > Thanks to the Elecrafters who responded with a raft of good ideas. That > included W8JI, W4TV, K9YC, W9AC, N7MG, NN4X, KX4O, W3FPR, and AI4VZ > (more or less in the order in which they responded. I hope I have > understood and can render all the input correctly > > Consensus seems to be that grounding, particularly making sure that all > chassis are bonded together with the station entry panel and the > powerline ground, is the best protection. I think this likely is where > I went wrong, because I had just completed the radio and had not yet > grounded it to my station bus, which is 3/4" copper pipe behind the > radios, wired to the station entry panel with heavy copper. As I write > this I'm in the midst of going through my station to make sure that > everything is properly grounded. > > Several people provided ideas for component level protection, but W9AC > found the Tripp-Lite DB9, which is a nicely packaged in-line protector > that (they say) use "balanced arrays of high-speed avalanche diodes" to > shunt the energy to ground. At $20 including shipping (Newegg was the > cheapest I found) it can't hurt. I probably couldn't build it that > cheaply, and it might help, particularly in combination with the > grounding improvements. > > ______________________________________________________________ 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
