OK ... I was wrong about how easy it would be to do. I still find it difficult to believe that any of us should need two different pieces of hardware to accomplish what is basically the same job.
Dave AB7E On 8/28/2011 6:22 PM, Joe Subich, W4TV wrote: > >> The upcoming KX3 will have buffered I/Q outputs, though, so clearly >> it could have been accomplished without undue cost adders. In my >> opinion, it would have made far more sense to include it in the P3. > > The circuit of the P3 and the KX3 are massively different. If you had > bothered to read the P3 manual and study the block diagram/circuit > description you would not have made such a ridiculous statement. > > The P3 does not create audio internally *at all* - to generate I/Q > would require essentially duplicating the P3's entire "IF" along > with a separate controller to maintain independent tracking frequency > control, an independent "wideband" I/Q audio output and digital to > analog converters. > > 73, > > ... Joe, W4TV > > > > On 8/28/2011 8:08 PM, David Gilbert wrote: >> >> Hi, Doug. >> >> It cannot be done without the addition of some other SDR hardware, such >> as an LP-Pan or SDR-IQ or Softrock. >> >> I publicly, privately, and unsuccessfully lobbied for well over six >> months prior to the introduction of the P3 for Elecraft to include >> buffered I/Q outputs in it so that it could be used with third party SDR >> software like CW Skimmer. The fact that it doesn't is why I don't own >> one and instead bought an LP-Pan. There are so many interesting things >> that can be accomplished with SDR applications that I don't want to be >> without that capability, and in my opinion buying two sets of hardware >> to do essentially the same thing is an unnecessary redundancy. >> >> The upcoming KX3 will have buffered I/Q outputs, though, so clearly it >> could have been accomplished without undue cost adders. In my opinion, >> it would have made far more sense to include it in the P3. >> >> 73, >> Dave AB7E >> >> >> >> >> On 8/28/2011 2:51 PM, DOUGLAS ZWIEBEL wrote: >>> I have noted on the P3 panadapter page from Elecraft, that one of the >>> "features" or uses is cited as >>> >>> http://www.elecraft.com/P3/p3.htm (bullet #11) >>> Buffered IF output to drive other equipment (CW Skimmer etc.) >>> >>> Can anyone describe for me just how this is specifically >>> accomplished for >>> use with Skimmer? I don't see any references to "how to hook it up >>> with >>> Skimmer" anywhere in the P3 user's manual, while I see a lot of >>> documentation for "how to" with LP-Pan. >>> >>> Thanks, >>> de Doug KR2Q >>> >>> K3 SN: 295, 822 >> ______________________________________________________________ >> 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 >> > ______________________________________________________________ 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
