Elecraft up dates it's stuff and as you can see everyone on web is helpfully and cool. Even if just get the ten watt unit you love the K3 and can alwasys add, add and add. N6XVT 73
Sent from my iPhone On May 17, 2010, at 4:11 PM, Jim Bennett <w6...@mac.com> wrote: > Hi Karl - > > Just read your post and got a chuckle. I'm glad to know that I'm not > the only one who has been scratching his head with all that techno- > talk about the TS-590 design. I read some of the stuff posted on the > Elecraft reflector and have to go: huh??? I have "some" technical > knowledge in electronics, but lots of those discussions make my head > hurt! > > I also had Kenwood equipment many years ago. After selling my old > Heathkit DX-60, SB-400, and SB-101 rigs, I bought a TS-180s. Nice > little rig. Then we hams got the 30, 17, and 12 meter WARC bands and > I was out of luck there. So I sold the '180s and got a TS-450 and > then a TS-850. Migrated from Kenwood to an Icom IC-775 and then an > IC-756 Pro III. Now saving up my pesos for a K3. > > 73, Jim / W6JHB > > > On Monday, May 17, 2010, at Monday, 4:02 PM, Karl Marderian wrote: > >> Oh, it is mostly over my head, but thank you for the explaintion. My >> frist transceiver was a Kenwood. They were at one time one of the >> best. Maybe Elecraft has started a new apporach to transceivers. >> N6XVT 73 >> >> Sent from my iPhone >> >> On May 16, 2010, at 6:38 PM, "Geoffrey Mackenzie-Kennedy" >> <gm4...@btinternet.com >>> wrote: >> >>> No criticism of Elecraft nor the K3 was intended, besides I do not >>> have any good hard data as to the receive signal handling capability >>> of the K3's DSP sub-system. >>> >>> What triggered my comment was that the TS-590 is said to use only >>> two roofing filters and it is claimed by the manufacturer that "it >>> has the best receiver specs out there". If it is a superhet, this >>> sounds suspiciously like a receiver that uses a H-Mode mixer, high >>> IIP3 roofers, and a "strong" IF. The H-Mode is a type of mixer which >>> appeared more than 15 years ago and yields very good "IMD" >>> performance, better than most, and as far as I know is not yet used >>> in commercial amateur receivers - I don't know why not. >>> >>> It will be interesting to see whether or not the designers of the >>> TS-590 receiver have used a proper Gain Distribution analysis to >>> obtain optimum IMDDR3 performance, which should include every >>> "stage" or element in or which impacts on the signal path, this >>> includes L-C filters, crystal filters as well as LO phase noise. It >>> will also be interesting to see their approach to the LO, because a >>> PLL based synthesiser whose cost is within budget would probably be >>> too "noisy". >>> >>> All should be evident from the schematic when and if it becomes >>> available. >>> >>> 73, >>> >>> Geoff >>> GM4ESD >>> >>> >>> On Sunday, May 16, 2010, at 11:30 PM, Karl Marderian <karl...@sbcglobal.net >>>> wrote: >>> >>>> For me and all others (I maybe the only one). Does this imply the >>>> enginreers at Elcraft need to do some brushing up on designing of >>>> DSPs. >>>> Are you saying their heterodynes aren't would they should be. >>>> N6XVT 73 >>>> >>>> Sent from my iPhone >>> >>> >>> >>> >>> >> ______________________________________________________________ >> 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
