Maybe those fellows at 7O6T? ;) 73, Scott, N9AA
On 5/5/12 5:28 PM, Wayne Burdick wrote: > Hi all, > > We've significantly improved the K3's DSP AGC based on feedback from > DXpedition users. In some cases, dozens of stations with nearly > identical amplitude may be packed together into just a few tens or > hundred of Hz of bandwidth. The AGC threshold can now be set much > higher, allowing "headroom" for such signals. Any nonlinearities due > to DSP AGC can thus be avoided for signals as high as about S9. > > At the same time, we've eliminated the slightly "scalloped" (non- > monotonic) AGC curve noted by one reviewer. This was caused by > interpolation errors in the DSP's fast log and anti-log functions, > which are now orders of magnitude more precise. The resulting AGC > curve is very smooth, so signals right at the threshold can't be > modulated by AGC onset. > > If you'd be interested in helping us evaluate these changes, or if you > know of someone who might benefit, please email me directly. > > 73, > Wayne > N6KR > > ______________________________________________________________ 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
