Hi Barry, The basic algorithm was developed for the KAT2, but it has morphed into several variations for our different tuners, including the T1, KAT1/2/3/3A/100/500/1500, and KXAT1/2/3/100. It's all about "pruning the search tree," to borrow a term from game theory.
73, Wayne N6KR > On Apr 7, 2019, at 3:14 PM, Barry <barrylaz...@gmail.com> wrote: > > Wayne, > Is that same algorithm and code in the KX3 and K3s?? > > 73, > Barry > K3NDM > > ------ Original Message ------ > From: "Wayne Burdick" <n...@elecraft.com> > To: "Dr. William J. Schmidt" <b...@wjschmidt.com> > Cc: "Elecraft Reflector" <elecraft@mailman.qth.net> > Sent: 4/7/2019 12:32:03 PM > Subject: Re: [Elecraft] BIZARRE OFFERING FROM MFJ > >>> On Apr 7, 2019, at 9:15 AM, Dr. William J. Schmidt <b...@wjschmidt.com> >>> wrote: >>> >>> There isn't really much in the way of smarts on the clone board. It's >>> simply the tuner elements (coils and capacitors), a few relays, the relay >>> driver chips, and gas tubes. The actual tuning smarts comes from elsewhere >>> within the K3. This isn’t much of a stretch for a clone. >>> >> >> >> That's correct. The heart of any binary-weighted L-network ATU is in the >> firmware, which we've been improving since I first wrote the code for the >> KAT2. The latest incarnation of this code is in the KAT1500, the ATU >> included in the KPA1500 amp. My colleague K6KR has done a great job of >> tweaking the algorithm to eek out that last tenth of an SWR unit on every >> match. >> >> Wayne >> N6KR ______________________________________________________________ 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
