John, The IF filter response of the K2 filter can be quite good by itself, but cascaded filters are better, particularly the DSP straight sided filter responses. To optimize the IF filters, I would encourage all to use Spectrogram (or something equal) and a wideand noise generator ( or atmospheric band noise on a dead band) to determine the actual width and positioning of each filter. See part 3 of the K2 Dial Calibration article on my website www;.w3fpr.com for more information.
I would like to point out that most K2 filters are not set for optimum response - the settings in the manual will produce working filters, but certainly not optimum. I have described the process for achieving not only good dial calibration, but also good filter response in the K2 Dial Calibration article on my website www.w3fpr.com. 73, Don W3FPR On 5/1/2012 7:46 PM, John wrote: > One question I have about the choice between the KAF2 and KDSP2 is what > about having neither. > > How would one describe the receiver/filter capabilities of the bare K2? > > ______________________________________________________________ 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
